Inventor

DOSHO SHIRO

JP74 patents

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

DOSHO SHIRO

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Low-pass filter, feedback system, and semiconductor integrated circuit

Low-pass filter for a PLL, phase-locked loop and semiconductor integrated circuit

Signal converter, noise shaper, AD converter and DA converter

Reference voltage supply circuit and voltage feedback circuit

Frequency-voltage conversion circuit, delay amount judgement circuit, system having frequency-voltage conversion circuit, method of adjusting input/output characteristics of frequency-voltage conversion circuit, and apparatus for automatically adjusting input

Time counting circuit and counter circuit

Low-pass filter and feedback system

Frequency detector and phase-locked loop circuit including the detector

Comb filter and method for controlling the same

Analog circuit automatic calibration system

Jitter detector, phase difference detector and jitter detecting method

Switched capacitor filter and feedback system

Phase-locked loop circuit

Circuit and system for extracting data

Operational amplifier operable with high performance even at a low voltage

Current driver and display device

Duty cycle correction circuit

Transconductor and filter circuit

Transconductor and filter circuit

Time counting circuit and counter circuit

Digital signal processing circuit for filtering an image signal vertically

Write compensation circuit and signal interpolation circuit of recording device

Semiconductor integrated circuit

Composite MOS transistor device

Analog FIFO memory and switching device having a reset operation

Signal transmission circuit

Ladder filter, analog equalizer and signal readout system

Analog memory and image processing system for reducing fixed pattern noise

Analog FIFO memory device

PANASONIC CORP

Charge pump circuit

Coupled ring oscillator and method for laying out the same

A-to-D converter

Switched capacitor filter and feedback system

A/D converter

Delta sigma modulator, as well as receiver device and wireless communication device provided with same

Delta-sigma modulator, integrator, and wireless communication device

Time-to-digital converter

Time integrator and ΔΣ time-to-digital converter

Time difference adjustment circuit and time-to-digital converter including the same

Pipelined AD converter

A-to-D converter

Multiphase level shift system

Transconductor, integrator, and filter circuit

Time-to-digital conversion circuit and time-to-digital converter including the same

Phase synchronizing circuit

Filter adjustment circuit

Phase adjustment circuit

DOSHO SHIRO

Integrator, resonator, and oversampling A/D converter

TOKUNAGA YUSUKE

Reference frequency generation circuit, semiconductor integrated circuit, and electronic device

MATSUMOTO AKINORI

Coupled ring oscillator and method for initializing the same