Inventor

MASHIMO AKIRA

JP89 patents

⚠️ This page may combine multiple inventors who share the name “MASHIMO AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MASHIMO AKIRA

TEAC CORP

Digital data reproducing apparatus

Signal processing circuit and method for measuring pulse width under existence of chattering noise

Information signal recording apparatus

System for noise-free detection of wobbles of optical disk pregrooves

Reproducing rate control apparatus for optical disk

Optical disk reproducing apparatus for controlling the rotational speed of a spindle motor between a CLV control and a CAV control

Peripheral data storage device in which time interval used for data transfer from relatively fast buffer memory to relatively slower main memory is selected in view of average of time intervals during which data blocks were recently received from host

Signal processing circuit integrating pulse widths of an input pulse signal according to polarities

Optical disk recording apparatus and method of recording data on optical disk

Rotary recording medium having a guide track and recording and reproducing apparatus therefor

Optical disc recording apparatus with a light beam having a controllable quantity

Optical disc recording apparatus and medium

Optical disc apparatus capable of detecting recording characteristics based on a predetermined signal prerecorded and reproduced

Signal processing circuit outputting a signal representing the number of times an input signal rises in a predetermined period as a signal corresponding to a quality of the input signal

Optical disk apparatus

Optical disk unit

Optical disk reproducing device and its seek operation method

Optical information recording and reproducing apparatus having functions for adjusting intensity of light beam

Optical disk storage having focus servocontrol system in accordance with astigmatism method

Information signal recording and reproducing system capable of recording an information signal on a medium having a limited recording band width

Method and apparatus for recording an information signal on a rotary recording medium

Optical disc recording apparatus for a color television signal

Information recording disc pre-recorded with address and pseudo address signals

Rotary recording medium having a guide track and recording and reproducing apparatus therefor

Optical disk apparatus

Optical disk apparatus

Optical disk drive

Optical disk device

Optical disk and optical disk drive for suppressing a digital sum value and low-frequency components

Optical disk device and optical disk

Optical disk device capable of demodulation and verification of address data from land and groove track address systems

Optical disk device having means for generating a tracking offset signal according to laser diode current or temperature

Signal processing circuit for noise elimination and demodulator circuit using the same for accurate demodulation

Optical disk device

Optical disk device

Signal processing circuit and method for extracting superimposed signal with accuracy

Optical disk unit capable of reducing tracking offset

OKI ELECTRIC IND CO LTD

Antenna duplexer with divided and grounded transmission line

Duplexer with an isolating circuit on a dielectric plate

Branching filter having specific impedance and admittance characteristics

Dielectric filter having coupling amount adjusting patterns

Dielectric filter having an attenuation pole tunable to a predetermined frequency

Microstrip line type resonator

Dielectric filter with attenuation pole

MITSUBISHI ELECTRIC CORP

Disk apparatus having a power consumption reducing mechanism

Optical disk storage having reduced power consumption during seeking operations

Track jump control means for a disk apparatus

Disk storage which automatically adjusts to optimum recording/reproducing level

ELECTRIC INDUSTRY CO LTD

LC-type dielectric filter

TDK CORP

Surface acoustic wave element, surface acoustic wave device, surface acoustic wave duplexer, and method of manufacturing surface acoustic wave element