G11C 17 - Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards

Patents for G11C 17 - Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards (10,133)
11/1980
11/26/1980	EP0019381A1 Semiconductor memory device with address signal level setting
11/26/1980	EP0019329A1 Information recording element
11/25/1980	US4235010 Semiconductor integrated circuit device composed of insulated gate field-effect transistor
11/12/1980	EP0018774A1 A programming circuit for a programmable read only memory
11/12/1980	EP0018404A1 Memory system for programmable controller.
11/11/1980	US4233671 Read only memory and integrated circuit and method of programming by laser means
10/1980
10/29/1980	EP0018192A1 Bipolar programmable read only memory device including address circuits
10/29/1980	EP0018173A1 A programmable read-only memory device
10/29/1980	EP0018116A1 Postal data memory
10/29/1980	EP0017808A1 Method involving testing an electrically alterable microelectronic memory circuit
10/28/1980	US4230954 Permanent or semipermanent charge transfer storage systems
10/28/1980	US4230504 Method of making implant programmable N-channel ROM
10/21/1980	US4229757 Programmable memory cell having semiconductor diodes
10/14/1980	US4228527 Electrically reprogrammable non volatile memory
10/14/1980	US4228451 High resistivity semiconductor resistor device
10/01/1980	EP0016636A1 CCD read-only memory
09/1980
09/30/1980	US4225876 Monolithically integrated semiconductor arrangement
09/18/1980	WO1980001965A1 Static volatile/non-volatile ram system
09/17/1980	EP0015676A1 A read only memory
09/09/1980	US4222062 VMOS Floating gate memory device
09/04/1980	WO1980001854A1 Photoelectric write-only sequence controller
09/02/1980	CA1085053A1 Depletion mode field effect transistor memory system
08/1980
08/26/1980	US4219836 Contact programmable double level polysilicon MOS read only memory
08/12/1980	US4216693 Means for storing bass rhythm patterns
08/12/1980	CA1083671A1 Electrical identification of multiply configurable circuit array
07/1980
07/29/1980	US4215357 Charge transfer device stored with fixed information
07/29/1980	US4215282 Temperature compensated sense amplifier for PROMs and the like
07/29/1980	CA1082809A1 Irreversible semiconductor switching element and semiconductor memory device utilizing the same
07/23/1980	EP0013603A1 Improved read only memory and method of programming such a memory
07/23/1980	EP0013523A1 Method for writing a pilot character in an electric-charge storing memory and device obtained by this method
07/23/1980	EP0013297A1 Charge transfer storage systems
07/08/1980	US4212026 Merged array PLA device, circuit, fabrication method and testing technique
06/1980
06/24/1980	US4209850 Electronic apparatus
06/24/1980	US4209849 Non-volatile memory which can be erased word by word constructed in the floating gate technique
06/17/1980	US4208727 Semiconductor read only memory using MOS diodes
06/17/1980	US4208726 Programming of semiconductor read only memory
06/11/1980	EP0011975A1 A semiconductor element in an EPROM bootstrap circuit
06/11/1980	EP0011961A1 Three-state output circuit
06/11/1980	EP0011835A1 A logic array having improved speed characteristics
06/11/1980	EP0011694A1 Method and apparatus for the reversible adjustment of the electrical parameters of an electrical circuit
06/10/1980	US4207616 Logic array having improved speed characteristics
06/10/1980	US4207585 Semiconductors
06/03/1980	US4206507 Field programmable read only memories
05/1980
05/29/1980	WO1980001119A1 Rom memory cell with 2n fet channel widths
05/20/1980	CA1078064A1 Read only memory
05/20/1980	CA1078055A1 Manually programmable programme memory
05/15/1980	WO1980001029A1 Storage/logic array
05/06/1980	US4202044 Quaternary FET read only memory
05/06/1980	US4201927 Circuit for producing sequentially spaced pulses
04/1980
04/30/1980	EP0010139A1 Read only memory cell using FET transistors
04/15/1980	US4198696 Laser cut storage cell
04/15/1980	US4198693 VMOS Read only memory
04/15/1980	CA1075799A1 Erasable visual image display device
04/01/1980	US4196363 Open collector bit driver/sense amplifier
03/1980
03/25/1980	US4195358 Decoder for a prom
03/25/1980	US4195354 Semiconductor matrix for integrated read-only storage
03/25/1980	US4195339 Sequential control system
03/19/1980	EP0008946A2 A semiconductor memory device
03/11/1980	US4193125 Read only memory
03/06/1980	WO1980000383A1 Memory system for programmable controller
03/05/1980	EP0008489A1 Means for storing bass rhythm patterns
03/04/1980	US4192014 ROM memory cell with 2n FET channel widths
03/04/1980	CA1073057A1 Electronically alterable diode logic circuit
02/1980
02/26/1980	US4190897 Binary coded decimal addressed Read-Only-Memory
01/1980
01/29/1980	CA1070836A1 Insulated gate field-effect transistor read-only memory cell
01/22/1980	US4185321 Semiconductor memory with pulse controlled column load circuit
01/22/1980	US4185319 Non-volatile memory device
01/22/1980	CA1070437A2 Semiconductor integrated circuit device composed of insulated gate field-effect transistors
01/22/1980	CA1070436A1 Semiconductor integrated circuit device composed of insulated gate field-effect transistors
01/22/1980	CA1070431A1 Memory patching circuit
01/22/1980	CA1070428A1 Semiconductor read only memory
01/22/1980	CA1070427A1 N-channel storage field effect transistors
01/15/1980	CA1070016A1 Semiconductor floating gate storage device
01/09/1980	EP0006167A1 Multi-value FET read only memory
01/08/1980	US4183093 Semiconductor integrated circuit device composed of insulated gate field-effect transistor
12/1979
12/25/1979	US4180826 MOS double polysilicon read-only memory and cell
12/12/1979	EP0005847A1 Memory circuit and its use in an electrically programmable logic array
12/04/1979	US4177475 Graded material of a tellurium-based chacogenide (germanium)
12/04/1979	US4177452 Electrically programmable logic array
12/04/1979	US4176442 Method for producing a semiconductor fixed value ROM
11/1979
11/27/1979	CA1067208A1 Insulated gate field-effect transistor read-only memory array
11/13/1979	US4174541 Bipolar monolithic integrated circuit memory with standby power enable
11/13/1979	US4174521 Palladium silicide layer on single crystal silicon substrate, second layer of amorphous silicon and third layer of contact material
11/06/1979	US4173791 Insulated gate field-effect transistor read-only memory array
11/06/1979	US4173766 Insulated gate field-effect transistor read-only memory cell
10/1979
10/23/1979	US4172291 Preset circuit for information storage devices
09/1979
09/25/1979	US4169291 Eprom using a V-MOS floating gate memory cell
09/11/1979	US4167791 Non-volatile information storage arrays of cryogenic pin diodes
09/11/1979	CA1062377A1 Memory patching circuit
08/1979
08/21/1979	US4165538 Read-only memory
08/21/1979	CA1060959A1 Clustered logic arrays
08/14/1979	US4164665 Manually programmable storage device
07/1979
07/24/1979	US4162538 Thin film programmable read-only memory having transposable input and output lines
07/17/1979	CA1058754A1 Minimum pitch mosfet decoder circuit configuration
06/1979
06/13/1979	EP0002420A1 Light activated semiconductor device of the field effect transistor type and resulting memory
05/1979
05/22/1979	US4156290 Speedup addressing device by detecting repetitive addressing
05/08/1979	US4153949 Electrically programmable read-only-memory device
05/01/1979	US4152778 Digital computer memory
05/01/1979	US4152749 Matrix terminal block
05/01/1979	US4152627 Low power write-once, read-only memory array

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