Goldstar, Co., Ltd.

Lg Electronics Inc.

Sang Jig Lee

Mun C Joung

Seong Sik Kang

Myung G Kang

Hyo C Yu

Byoung Gyu Jang

Kye Y Ryu

Sungwoo Choi

Pohyoung Koh

Haksun Hwang

Hyeoksoo Park

Sung Ho Choi

Inki Cheon

Sung Hoon Choi

Nam Su Lee

Myung K Yeo

Joong I Shin

Sung H Hong

Ingi Cheon

Key Y Ryu

A molded plastic fixing structure for a chassis which includes a chassis having upper and lower surfaces and an opening; a boss disposed in the opening in the chassis and extending above the upper surface of the chassis; at least one of upper and lower boss supporting sections integrally formed with the boss, the boss supporting sections being flush with and not extending beyond the corresponding chassis surface; and a fixing support groove recessed around the central opening and disposed in at least one of the upper and lower surfaces of the chassis, at least one of the upper and lower boss supporting sections being molded in the corresponding fixing support groove.

Plastic mold fixing structure for chassis

A deck mechanism for a magnetic recording and reproducing apparatus, wherein its fixed base plate and its slide base are slidably coupled to each other without defining a space therebetween. Elements of a tape traveling system are arranged on upper and lower surfaces of the fixed base plate and the upper surface of the slide base. The upper surface of the fixed base plate is mounted with the head drum, a loading motor, a supply slant post assembly, a take-up slant post assembly, a stabilizer, pinch roller arm-driving and pressing mechanisms, a head cleaning mechanism, a capstan shaft of a capstan, all being upwardly protruded from the upper surface of the fixed base plate. The upper surface of the slide base is mounted with a supply reel table, a take-up reel table, a tension adjusting mechanism, and a brake, all being upwardly protruded from the upper surface of the slide base. The lower surface of the fixed base plate is mounted with a power transmission system for the loading motor, a rotor magnet of a capstan motor, an idler mechanism, and a mode sensing mechanism. The deck mechanism of the present invention can be reduced in volume, total height and in number of elements used. As a result, it is possible to provide products with light, thin, simple and compact construction and reduce the manufacture cost.

Magnetic recording and reproducing apparatus deck mechanism with a slide

An improved cassette tape holder locking apparatus for a video cassette tape recorder capable of achieving a better cassette tape placing operation by locking the cassette holder at both sides of a housing bracket, which includes a first holder locking member rotatably disposed to the side plate for limiting a loading operation of the cassette holder after the cassette holder is lowered; and a second holder locking member rotatably disposed at a deck surface of the opposed side of the side plate and driven by a drive member provided at the deck surface for limiting a lifting operation of the cassette holder.

Cassette holder locking apparatus for video cassette tape recorder

A head drum protector for a magnetic recording and reproducing apparatus, such as a slide type camera recorder. The head drum protector is preferably integrated and comprises a head drum protecting wall for protecting a rotary head drum, an opening provided at the lower section of the head drum protecting wall to receive a head base of the rotary head drum and to bring the rotary head protector into engagement with the head base. A pair of support blades extend outwardly from opposite sides of the protecting wall to enlarge the head drum protecting area of the head drum protecting wall and to support an opened tape cassette door. A sensor holder is provided at the lower front of the protecting wall to hold a LED sensor used as a tape end sensor. At a lower section between the protecting wall and the support blade, a fixing part is provided in order to mount the head drum protector on the slide base of the deck mechanism.

Head drum protector for magnetic recording and reproducing apparatus

A cassette lid opening apparatus for a top-loading camcorder is disclosed including: first and second links foldably installed on both sides of a bracket; a cassette holder supported by the first and second links for receiving and mounting a cassette the magnetic tape of which is loadable when the first and second links are folded; and an opener given to the first link and for providing a upward opening force to a cassette lid of the cassette as the first and second links are folded, when a force is given to the cassette holder in order to mount the cassette received.

Cassette lid opening apparatus for top-loading camcorder

A brake device for magnetic recording and reproducing apparatus, such as a slide loading type camera recorder. The supply reel brake unit includes a supply reel brake having an operating pin, and a mode switch gear having an operating protrusion pushing the operating pin in a tape running mode, thereby releasing the tape supply reel table. In addition, the supply reel brake unit may comprise a drive cam gear, a supply reel brake cooperating with the drive cam gear to selectively brake the tape supply reel table. The take-up reel brake unit includes a clutch gear engaging with the reel gear of the tape take-up reel table, a take-up reel brake having a rotation limit lever limiting the rotation of the brake in cooperation with the guide pin of the stationary base plate, a latch of the brake selectively engaging with the reel gear of the tape take-up reel table to brake the take-up reel table, and a stop pin of the take-up reel brake received by the slit of the slide base to separate the latch of the brake from the reel gear of the tape take-up reel table in a tape loading operation, thereby releasing the tape take-up reel table.

Brake device for a magnetic recording and reproducing apparatus

An idler gear transfer control apparatus for a reel drive apparatus of a VCR, is disclosed, wherein the VCR includes a reversible motor, a base, a shaft disposed at the base, an input gear rotatably disposed on the shaft for receiving a driving force from the motor, and an idler arm having one end rotatably connected to the shaft and another end carrying an idler gear connected to the input gear, the idler arm being movable about the shaft for engaging the input gear, the idler arm being movable about the shaft for engaging the idler gear selectively with a supply reel gear or a take-up reel gear, whereby the driving force of the motor is selectively transferred to the supply reel gear or the tape-up reel gear in accordance with a rotation direction of the input gear. The idler gear transfer control apparatus includes a plurality of stoppers provided at the one end of the idler arm connected to the shaft for limiting the movements of the idler arm, and a cassette lock release having a flat top surface for selectively engaging with the stoppers, wherein the idler gear is moved by the driving force of the motor and contacts the supply reel gear or the take-up reel gear, before or at the same time one of the stoppers contacts the flat top surface of the cassette lock release.

Idler gear transfer control apparatus for reel drive apparatus of a

A light amount controlling apparatus includes a light source for producing light and a light source driver for driving the light source. A zoom lens unit includes a zoom lens for varying an angle of projection of the light, and a zoom lens position detector detects a position of the zoom lens. A memory stores control data corresponding to the position of the zoom lens and a memory controller reads the control data from the memory according to a detected value of the zoom lens position of the zoom lens position detector. A controller controls the light source driver to vary an amount of light projected from the light source in accordance with the control data output from the memory controller.

Light amount controlling apparatus and method for projector

An improved tension arm driving apparatus for a video cassette tape recorder capable of achieving a stable tape running state by preventing a tape jog in a high speed tape rewinding mode, includes a loading gear member for winding a tape around a head drum, and a high speed winding member for rotating upper and lower gears at the same time in cooperation with the loading gear member, so that the upper and lower gears integrally rotate in the high speed winding mode and tape jogging is prevented during the high speed winding mode.

Tension arm driving apparatus for video cassette tape recorder

A slant post base mounting mechanism for a magnetic recording and reproducing apparatus includes a support for preventing movement of an adjusting screw, the support having an elastic member mounted on upper surface thereof and a plate spring formed with a clamp shaped, a v-type stopper having holes formed on an upper and a vertical surfaces thereof, respectively. Also, the plate spring includes a guide portion formed on a lower surface thereof, the guide portion being in contact with the protrusion of the slant post base in order to support the adjusting screw, and a slant portion formed at an end of the guide portion, the slant portion being movably inserted in a hole formed at a vertical surface of the V-type stopper.

Slant post base mounting mechanism for a magnetic recording and

A liquid crystal projector for projecting an image on a screen includes a liquid crystal display (LCD) for displaying an image, a light source positioned behind the LCD for supplying light to project the image displayed on the LCD, a projection lens positioned in front of the LCD for focusing the light projected from the LCD onto the screen, and deflection means positioned between the LCD and the screen for deflecting the light focused through the projection lens to move the image position on the screen.

Liquid crystal projector

A tape running system for a slide loading type magnetic recording and reproducing apparatus. The system comprises a stationary base plate mounted on a deck mechanism of the apparatus, a slide base mounted on the stationary base plate such that it is reciprocated with respect to the stationary base plate within a predetermined range, a pair of loading gears mounted on the lower surface of the stationary base plate and engaging with each other and connected to a pair of slant post assemblies through individual loading levers, and a rotational force transmitting unit transmitting the rotational force of the loading gears to the slide base for driving the slide base. The rotational force transmitting unit is connected between one of the pair of loading gears and the slide base and linearly reciprocates the slide base using the rotational force of the loading gears. The pair of slant post assemblies as well as the slide base are driven by the rotational force of the loading gears, thereby achieving the recent trend of compactness and light weight design.

Tape running system for magnetic recording and reproducing apparatus

A pivotable cassette housing for a magnetic recording and reproducing apparatus, comprising a pivotable bracket formed of a single metal plate, to have an integral construction, and a cassette holder mounted in the bracket and adapted to receive a tape cassette therein. The pivotable bracket has a pair of side walls and a pair of connecting portions integrally formed with the side walls and adapted to connect the side walls with each other, one of the connecting members having a cross section with a stepped shape and the other having a cross section with a shape having opposite protruded ends. Each of the side walls has a guide pin extending inwardly from an inner surface of the side wall and the cassette holder has a guide slot for receiving the guide pin, to mount the cassette holder in the bracket. The bracket is formed by blanking a single metal plate into a construction having a pair of side wall portions, a pair of connecting portions for connecting the side walls with each other, bending the side wall portions of the construction into a shape corresponding the side walls of the bracket, and forming a plurality of recesses at the resultant bent edges of the side wall portions, to produce a plurality of reinforcing support lugs at the bent edges.

Cassette housing for magnetic recording and reproducing apparatus and

A brake device for a magnetic recording and reproducing apparatus, such as a slide loading type camera recorder. The supply reel brake unit includes a supply reel brake having an operating pin, and a mode switch gear having an operating protrusion pushing the operating pin in a tape running mode, thereby releasing the tape supply reel table. In addition, the supply reel brake unit may comprise a drive cam gear, a supply reel brake cooperating with the drive cam gear to selectively brake the tape supply reel table. The take-up reel brake unit includes a clutch gear engaging with the reel gear of the tape take-up reel table, a take-up reel brake having a rotation limit lever limiting the rotation of the brake in cooperation with the guide pin of the stationary base plate, a latch of the brake selectively engaging with the reel gear of the tape take-up reel table to brake the take-up reel table, and a stop pin of the take-up reel brake received by the slit of the slide base to separate the latch of the brake from the reel gear of the tape take-up reel table in a tape loading operation, thereby releasing the tape take-up reel table.

Brake device for magnetic recording and reproducing apparatus

A head drum cleaning device for a magnetic recording and reproducing apparatus comprising a head cleaning lever pivotally mounted to a fixed base plate of the apparatus by a pin fixed to the fixed base plate, a cleaning roller rotatably mounted to one end of the head cleaning lever by a pin fixed to the head cleaning lever, a drive member constituted by a part of a slide base of the apparatus and adapted to drive the head cleaning lever, and a head cleaning lever rotating unit operatively connected to the drive member and adapted to pivot the head cleaning lever through two steps, namely, in toward the drum and then in the reverse direction. The head drum cleaning device has a simple construction capable of achieving a smooth cleaning operation, in that the head cleaning lever is actuated by the drive member mounted to the slide base to clean the rotating head drum. The head drum cleaning device can be applied to compact camcorders such as 8 mm camcorders using the slide base.

Growing community of inventors

Kyungki-Do, South Korea

Sang Jig Lee