Matsushita Electric Industrial Co., Ltd.

Panasonic Corporation

Masaharu Tsujimura

Kazuhiro Ikurumi

Mikiya Nakata

Toshikazu Koudo

Kazuhiro Mihara

Toshihiko Tsujikawa

Kazumasa Okumura

Kenji Okamoto

Masanori Yasutake

Osamu Nakao

Yutaka Mitsumoto

Naoya Takao

Yoichiro Ueda

Hitoshi Kudoh

A data stream transmission/reception device manages external devices in at least two groups, assigns independent resources to the groups, and for each group, a connection is made to the assigned hardware resource via a preferentially-used plug. This enables handling a plurality of streams at the same time in the case of being connected to a plurality of conventional external devices that have only one logical plug.

Data stream transmission/reception device

A fixed form data broadcast playback apparatusof the present invention has fixed form data broadcast playback meansthat inserts predetermined data to fixed form datafrom fixed form data storing meanswith data inserting means, makes the resultant data into an MPEG transport stream by MPEG-TS meansand playbackly transmits the resultant to a digital broadcast receivervia a digital interface. This construction enables to operate the fixed form data broadcast playback apparatuseven from a digital broadcast receiver that does not have a control function to the fixed form data broadcast playback apparatus, and further, enables to unify the operability of the screen and remote controller between the digital broadcast receiverand the fixed form data broadcast playback apparatus.

Broadcast playback and/or recording apparatus

All images of a plurality of sucked and held electronic components are picked up, sucked and held states of the electronic components are successively recognized by their respective images in an order of placing the electronic components onto a circuit board, and the electronic components for which such recognition processing is completed can be successively placed onto the circuit board in this order during a process of the recognition processing.

Electronic component mounting apparatus

Electronic component mounting method and apparatus

A motion of a printed circuit board ( ) is detected by an encoder ( ) arranged aside a belt conveyer ( ), and the encoder generates a detection signal (S ) which activates a timing signal generator unit ( ) for generating an image pickup start timing signal which is fed to a time measuring unit ( ) for measuring the image storing time which corresponds to the time interval of the image pickup start signal (S ). According to the image storing time, the image signal (S ) generated by the line CCD camera ( ) is normalized by the normalizing calculation means ( ), and thereafter, the mounting condition of the printed circuit board is judged by the image recognizing section (B) with the use of the image data (D) to thereby realize a simple and convenient mechanism at a low cost and at a high precision.

System for inspecting an apparatus of a printed circuit board

A motion of a printed circuit board (1) is detected by an encoder (4) arranged aside a belt conveyer (2), and the encoder generates a detection signal (S.sub.3) which activates a timing signal generator unit (5) for generating an image pickup start timing signal which is fed to a time measuring unit (6) for measuring the image storing time which corresponds to the time interval of the image pickup start signal (S1). According to the image storing time, the image signal (S2) generated by the line CCD camera (3) is normalized by the normalizing calculation means (7), and thereafter, the mounting condition of the printed circuit board is judged by the image recognizing section (B) with the use of the image data (D) to thereby realize a simple and convenient mechanism at a low cost and at a high precision.

System for inspecting an appearance of a printed circuit board

The three-dimensional measuring apparatus of the present invention includes an optical beam scanning unit for scanning a projected-and-depressed surface of an object with an optical beam while controlling the scanning operation, and a detector unit for receiving a reflected optical beam reflected by the projected-and-depressed surface through the scanning operation and for thereby measuring height information on the projections and depressions of the object, in which noise information due to noise generated during the control of the scanning operation with the optical beam is prevented from being transmitted as the height information from the detector unit.

Growing community of inventors

Toyonaka, Japan

Masaharu Tsujimura