Pioneer Corporation

Pioneer Electronic Corporation

Pioneer Electronics Corporation

Pioneer Electronic Corporaion

Shogo Miyanabe

Hiroki Kuribayashi

Yoshio Sasaki

Hiroyuki Uchino

Takuma Yanagisawa

Takehiro Matsuda

Koji Yamamoto

Yoshichika Sato

Hajime Koyanagi

Yuji Kawamura

Junichi Furukawa

Kenichi Hanada

Kouhei Nakamura

An electromagnetic wave irradiated by an irradiator () is incident on and reflected by a movable reflection unit (). The control unit () controls the irradiator () and the movable reflection unit (). A sensor () is disposed at a position through which the electromagnetic wave when an irradiation direction of the electromagnetic wave is moved in a first direction. Then, the control unit () executes the following processing in setting a movement range of the movable reflection unit (). First, a detection value (first detection value) of the sensor () when light is irradiated at a first position Sa positioned ahead of the sensor () in the first direction is recognized. Next, a detection value (second detection value) of the sensor () when light is irradiated at a second position Sb positioned behind the sensor () in the first direction is recognized. Then, the movement range of the movable reflection unit () is set using the first detection value and the second detection value.

Measuring device, control method, program, and storage medium

A detection device () includes a transmitter (), a receiver (), and a control unit (). The transmitter () is capable of transmitting an electromagnetic wave. The receiver () is capable of receiving a signal (S), that is, the electromagnetic wave transmitted from the transmitter () and reflected by an object (O). The control unit () controls the size of an instantaneous field of view (so-called IFOV) of the receiver ().

Detection device, method of detecting distance to object, program, and storage medium

An irradiation system () comprises a plurality of irradiation devices () and a control device (). The plurality of irradiation devices () are arranged adjacent to one another in a first direction. Each of the plurality of irradiation devices () is able to move an electromagnetic wave in a second direction different from the first direction while moving the electromagnetic wave in the first direction. The control device () controls the plurality of irradiation devices. Specifically, the control device () separates an irradiation position of the electromagnetic wave of each of the plurality of irradiation devices () from the control device by at least a predetermined distance or more in the second direction at a predetermined timing.

Control device, irradiation system, control method, and program

A measurement device () includes a measurement unit () which performs measurement by emitting electromagnetic waves and scanning an object with the electromagnetic waves, and a control unit () which controls the measurement unit (). The measurement unit () is operable in a first scan mode in which the object is scanned in a first direction, or a second scan mode in which the object is scanned in a second direction different from the first direction. The control unit () determines a scan mode to be executed by the measurement unit ().

Measurement device, measurement method, and non-transitory storage medium

An information reproducing apparatus () is provided with: an offset adding device (--) for adding an offset value (OFS) which can be set to be variable, to a read signal (R) read from a recording medium (); a correcting device () for correcting waveform distortion occurring in a read signal corresponding to a long mark, of the read signal to which the offset value is added; and a waveform equalizing device () for performing a waveform equalization process on the read signal in which the waveform distortion is corrected.

Apparatus, method and program for waveform equalization on a read signal obtained by reading the record data recorded on a recording medium

An information reproducing apparatus () is provided with: a judging device () for judging whether or not a read signal (R) read from a recording medium () satisfies a desired reproduction property; a correcting device () for correcting waveform distortion occurring in a read signal corresponding to a long mark, of the read signal if it is judged that the read signal does not satisfy the desired reproduction property; and a waveform equalizing device () for performing a waveform equalization process on the read signal in which the waveform distortion is corrected.

Information reproducing apparatus and method, and computer program

An information reproducing apparatus () is provided with: a waveform shaping device () for performing waveform shaping on a read signal (R) read from a recording medium (), on the basis of a reference amplification factor; a correcting device () for correcting waveform distortion occurring in a read signal corresponding to at least a long mark, of the read signal on which the waveform shaping is performed; and a waveform equalizing device () for performing a waveform equalization process on the read signal in which the waveform distortion is corrected, the waveform shaping device arbitrarily increases the reference amplification factor.

An information reproducing apparatus () is provided with: a correcting device () for correcting waveform distortion occurring in a read signal corresponding to a long mark, of a read signal (R) read from a recording medium (); and a processing device () for performing a PRML (Partial Response Maximum Likelihood) process on the read signal in which the waveform distortion is corrected.

Device and method for reproducing information, and computer program

An information reproducing apparatus () is provided with: an offset adding device (--) for adding a first offset value (OFS) which can be set to be variable, to a read signal (R) read from a recording medium (); a correcting device () for correcting waveform distortion occurring in a read signal corresponding to a long mark, of the read signal to which the first offset value is added; an offset subtracting device (--) for subtracting a second offset value (OFS) which can be set to be variable, from the read signal in which the waveform distortion is corrected; and a waveform equalizing device () for performing a waveform equalization process on the read signal in which the second offset value is subtracted.

An information reproducing apparatus () is provided with: a correcting device () for correcting waveform distortion occurring in a read signal corresponding to a long mark, of read signal (R) read from a recording medium (); an amplitude limiting device () for limiting an amplitude level of the read signal in which the waveform distortion is corrected, by a predetermined amplitude limit value (L, &#x2212;L), thereby obtaining an amplitude limit signal; and a filtering device () for performing a high-frequency emphasis filtering process on the amplitude limit signal, thereby obtaining an equalization-corrected signal.

A recording apparatus includes: a first calculating device for calculating an optimum power for recording the data pattern into a recording-scheduled area (RSA) in an inner area; a first controlling device recording the data pattern with the optimum power outside an end on an outer side of the RSA; a second calculating device calculating an adjustment power used in adjusting a recording condition outside the end on the outer side of the RSA, considering a difference between recording sensitivity inside and outside the RSA; a second controlling device recording the data pattern for adjusting the recording condition with the adjustment power outside the RSA; a reading device obtaining a read signal; a measuring device measuring read signal jitter; an adjusting device adjusting the recording condition for satisfactory jitter; and a third controlling device to record the data pattern into the RSA using the optimum power and the adjusted recording condition.

Recording apparatus and method, computer program, and recording medium

A recording apparatus includes: a first strategy calculating device (SCD) for calculating a first optimum strategy allowing jitter recorded at a first speed to satisfy a desired condition by adjusting a first standard strategy; a second SCD for calculating a second standard strategy at a second speed by performing clock cycle conversion according to a difference between the first and second speeds on the first standard strategy; a second power calculating device for calculating a second optimum power used at the second speed; a third SCD for calculating a second optimum strategy allowing jitter recorded at the second speed to satisfy a desired condition, by adjusting the second standard strategy; and a fourth SCD for calculating a third optimum strategy at a third speed, based on each of a difference between the first standard and optimum strategies and a difference between the second standard and optimum strategies.

Recording device and method, and computer program, and recording medium

A recording apparatus () is provided with: a recording device () for recording a data pattern onto a recording medium (); a first controlling device () for stopping the recording; a reading device () for reading the data pattern which is recorded immediately before the recording is stopped, thereby obtaining a read signal; a measuring device () for measuring jitter of the read signal; an adjusting device () for adjusting a recording condition such that the jitter satisfies a desired condition, and a second controlling device () for restarting the recording of the data pattern by using the adjusted recording condition.

Recording device and method, computer program, and recording medium

An information recording apparatus () is for forming a record mark corresponding to a recording signal by applying a laser beam to a recording medium, and is provided with: a light source () for emitting the laser beam; and a signal generating device () for generating a recording pulse signal for driving the light source on the basis of the recording signal, the recording pulse signal includes a mark period and a space period, a level of the recording pulse signal corresponds to a recording power by which waveform distortion is greater than or equal to an upper limit (L) or is less than or equal to a lower limit (&#x2212;L) of an amplitude limit value on a limit equalizer (), in the mark period corresponding to a long mark.

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Higashiyamato, Japan

Shogo Miyanabe