| Patent Number |
Title Of Patent |
Date Issued |
| 4803583 |
Cleaning cassette with an internal drive motor |
Feb. 7, 1989 |
| 4803582 |
Perpendicular magnetization type magnetic head having a magnetic pole part which forms a closed ... |
Feb. 7, 1989 |
| 4803581 |
Thin film yoke-type magnetoresistive head |
Feb. 7, 1989 |
| 4803580 |
Double-gap magnetoresistive head having an elongated central write/shield pole completely shield... |
Feb. 7, 1989 |
| 4803579 |
Magneto-optical information reproducing apparatus in which divided reproducing lights are differ... |
Feb. 7, 1989 |
| 4803578 |
Assembly for stably mounting magnetic head on carriage |
Feb. 7, 1989 |
| 4803577 |
Vertical magnetic recording system using rigid disk |
Feb. 7, 1989 |
| 4803576 |
Disc driving device |
Feb. 7, 1989 |
| 4803575 |
Tape cassettes having bottom grooves for use in tape recorder having bottom projection in casset... |
Feb. 7, 1989 |
| 4803574 |
Arrangement of recording and/or reproducing apparatus |
Feb. 7, 1989 |
| 4803573 |
Track access apparatus having high-speed random access using a single stepping motor in a magnet... |
Feb. 7, 1989 |
| 4803572 |
Recording/reproducing method and apparatus of magnetic disk unit in which playback commences bef... |
Feb. 7, 1989 |
| 4803571 |
Floppy disc magnetic head apparatus compatible with both horizontal and perpendicular recording ... |
Feb. 7, 1989 |
| 4803570 |
Rotary head type multichannel information signal reproducing apparatus having sub-information se... |
Feb. 7, 1989 |
| 4803569 |
Write enable ring sensing arrangement for a magnetic tape reel |
Feb. 7, 1989 |
| 4803568 |
Motor control apparatus effecting phase control on rotating body |
Feb. 7, 1989 |
| 4803567 |
Video replay store for a multi-channel digital video tape recorder |
Feb. 7, 1989 |
| 4803566 |
Digital time base correction using a reference bit |
Feb. 7, 1989 |
| 4803565 |
Optical write head |
Feb. 7, 1989 |
| 4803564 |
Electronic blackboard system |
Feb. 7, 1989 |
| 4803563 |
Rotor-in-stator examination magnetic carriage and positioning apparatus |
Feb. 7, 1989 |
| 4803562 |
Image sensing apparatus |
Feb. 7, 1989 |
| 4803561 |
Image reading method and apparatus |
Feb. 7, 1989 |
| 4803560 |
Liquid-crystal television receiver with cassette tape recorder |
Feb. 7, 1989 |
| 4803559 |
Method of mounting a deflection unit on a cathode ray tube envelope and combination resulting th... |
Feb. 7, 1989 |
| 4803558 |
Halftone image estimation methods for dither images |
Feb. 7, 1989 |
| 4803557 |
Adjustable mount for image sensor |
Feb. 7, 1989 |
| 4803556 |
Scan lamp intensity control for raster input scanners |
Feb. 7, 1989 |
| 4803555 |
Method of driving a solid state image pickup device |
Feb. 7, 1989 |
| 4803554 |
Electronic imaging camera utilizing EPROM memory |
Feb. 7, 1989 |
| 4803553 |
Video timing system which has signal delay compensation and which is responsive to external sync... |
Feb. 7, 1989 |
| 4803552 |
Vertical blanking interval standardizer circuit |
Feb. 7, 1989 |
| 4803551 |
Module for use in receiving teletext signal |
Feb. 7, 1989 |
| 4803550 |
Imaging apparatus having illumination means |
Feb. 7, 1989 |
| 4803549 |
Low-pass filter for limiting the frequency band of a luminance signal |
Feb. 7, 1989 |
| 4803548 |
Color video image enhancement |
Feb. 7, 1989 |
| 4803547 |
Adaptive comb filtering system for processing video signals |
Feb. 7, 1989 |
| 4803546 |
Heatsink package for flip-chip IC |
Feb. 7, 1989 |
| 4803545 |
Self-fixturing heat sink |
Feb. 7, 1989 |
| 4803544 |
Prefabricated strip conductor network assembly unit and process for making same |
Feb. 7, 1989 |
| 4803543 |
Semiconductor device and process for producing the same |
Feb. 7, 1989 |
| 4803542 |
Carrier element for an IC-module |
Feb. 7, 1989 |
| 4803541 |
Semiconductor device |
Feb. 7, 1989 |
| 4803540 |
Semiconductor integrated circuit packages |
Feb. 7, 1989 |
| 4803539 |
Dopant control of metal silicide formation |
Feb. 7, 1989 |
| 4803538 |
Thyristor with adjustable base-to-emitter resistance |
Feb. 7, 1989 |
| 4803537 |
Infrared detector system based upon group III-V epitaxial material |
Feb. 7, 1989 |
| 4803536 |
Electrostatic discharge protection network for large area transducer arrays |
Feb. 7, 1989 |
| 4803535 |
Dynamic random access memory trench capacitor |
Feb. 7, 1989 |
| 4803534 |
Semiconductor device sram to prevent out-diffusion |
Feb. 7, 1989 |
