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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4942492 |
Wiping device for magnetic tape cassettes |
Jul. 17, 1990 |
| 4942491 |
Magnetic head supporting device |
Jul. 17, 1990 |
| 4942490 |
Thin layer magnetic read/write head |
Jul. 17, 1990 |
| 4942489 |
Thin-film magnetic head |
Jul. 17, 1990 |
| 4942488 |
Video theater system |
Jul. 17, 1990 |
| 4942487 |
Apparatus for recording/reproducing a digital signal at variable speeds |
Jul. 17, 1990 |
| 4942486 |
Recording disk having read-only recording area and writable recording area and a driving apparat... |
Jul. 17, 1990 |
| 4942485 |
Apparatus capable of data reproduction from digital tape cassettes or like storage media employi... |
Jul. 17, 1990 |
| 4942484 |
Floppy disk drive with closed loop servoed high density read/write gap, and with low density rea... |
Jul. 17, 1990 |
| 4942483 |
Multi-chip type contact image sensor |
Jul. 17, 1990 |
| 4942482 |
Automatic page-turning device |
Jul. 17, 1990 |
| 4942481 |
Contact-type image sensor |
Jul. 17, 1990 |
| 4942480 |
Reproduction of halftone original with moire reduction and tone adjustment |
Jul. 17, 1990 |
| 4942479 |
Image information processing apparatus |
Jul. 17, 1990 |
| 4942478 |
Recording apparatus |
Jul. 17, 1990 |
| 4942477 |
Image pickup printing system using non-NTSC signals |
Jul. 17, 1990 |
| 4942476 |
Recording system for recording on a ROM image signal information which has been subjected to eff... |
Jul. 17, 1990 |
| 4942475 |
Liquid development apparatus with perforated liquid carrier sheet |
Jul. 17, 1990 |
| 4942474 |
Solid-state imaging device having photo-electric conversion elements and other circuit elements ... |
Jul. 17, 1990 |
| 4942473 |
Intelligent scan image sensor |
Jul. 17, 1990 |
| 4942472 |
Detection circuit for a video tape recorder signal |
Jul. 17, 1990 |
| 4942471 |
Blanking circuit for television receiver |
Jul. 17, 1990 |
| 4942470 |
Real time processor for video signals |
Jul. 17, 1990 |
| 4942469 |
Picture display apparatus |
Jul. 17, 1990 |
| 4942468 |
Image input device |
Jul. 17, 1990 |
| 4942467 |
Predictor controlled encoder for digital transmission systems |
Jul. 17, 1990 |
| 4942466 |
Bandwidth compression for television signals |
Jul. 17, 1990 |
| 4942465 |
Method of coding a digital video signal for reverse reproduction of pictures |
Jul. 17, 1990 |
| 4942464 |
Surveillance device for the protection of an automatic delivery apparatus |
Jul. 17, 1990 |
| 4942463 |
Image processing system for detecting edges in an image of an article |
Jul. 17, 1990 |
| 4942462 |
Photographic printer having a CRT for illuminating an original with a flying spot to print an im... |
Jul. 17, 1990 |
| 4942461 |
Digital multiple-color image processing apparatus |
Jul. 17, 1990 |
| 4942460 |
Method of and apparatus for recording a halftone dot color image on a color photosensitive mater... |
Jul. 17, 1990 |
| 4942459 |
Color temperature detecting device for producing a color temperature signal developed using the ... |
Jul. 17, 1990 |
| 4942458 |
Color liquid crystal display apparatus |
Jul. 17, 1990 |
| 4942457 |
Circuit arrangement for processing video components |
Jul. 17, 1990 |
| 4942456 |
Plastic packaged device having a hollow portion enclosing a chip element |
Jul. 17, 1990 |
| 4942455 |
Lead frame for a semiconductor device and a method for manufacturing a semiconductor device usin... |
Jul. 17, 1990 |
| 4942454 |
Resin sealed semiconductor device |
Jul. 17, 1990 |
| 4942453 |
IC package |
Jul. 17, 1990 |
| 4942452 |
Lead frame and semiconductor device |
Jul. 17, 1990 |
| 4942451 |
Semiconductor device having improved antireflection coating |
Jul. 17, 1990 |
| 4942450 |
Semiconductor memory device having non-volatile memory transistors |
Jul. 17, 1990 |
| 4942449 |
Fabrication method and structure for field isolation in field effect transistors on integrated c... |
Jul. 17, 1990 |
| 4942448 |
Structure for isolating semiconductor components on an integrated circuit and a method of manufa... |
Jul. 17, 1990 |
| 4942447 |
Borderless master slice CMOS device |
Jul. 17, 1990 |
| 4942446 |
Semiconductor device for switching, and the manufacturing method therefor |
Jul. 17, 1990 |
| 4942445 |
Lateral depletion mode tyristor |
Jul. 17, 1990 |
| 4942444 |
Thyristor |
Jul. 17, 1990 |
| 4942443 |
Thyristor with auxiliary emitter electrode and short-circuit regions and method |
Jul. 17, 1990 |
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