NL249237A - - Google Patents
Info
- Publication number
- NL249237A NL249237A NL249237DA NL249237A NL 249237 A NL249237 A NL 249237A NL 249237D A NL249237D A NL 249237DA NL 249237 A NL249237 A NL 249237A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
- G11C17/04—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using capacitive elements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
- G06K7/081—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes electrostatic, e.g. by detecting the charge of capacitance between electrodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US816451A US3098996A (en) | 1959-05-28 | 1959-05-28 | Information storage arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL249237A true NL249237A (xx) |
Family
ID=25220662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL249237D NL249237A (xx) | 1959-05-28 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3098996A (xx) |
| BE (1) | BE587927A (xx) |
| DE (1) | DE1220480B (xx) |
| NL (1) | NL249237A (xx) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL132253C (xx) * | 1958-11-24 | |||
| US3245051A (en) * | 1960-11-16 | 1966-04-05 | John H Robb | Information storage matrices |
| DE1197929C2 (de) * | 1961-06-22 | 1974-11-07 | Halbfestwertspeicher | |
| US3179947A (en) * | 1961-11-20 | 1965-04-20 | Maxson Electronics Corp | Device for making a permanent record of the nature and occurrence of an event |
| US3248710A (en) * | 1961-12-15 | 1966-04-26 | Ibm | Read only memory |
| US3251043A (en) * | 1962-04-26 | 1966-05-10 | Ibm | Record card memories |
| US3284781A (en) * | 1962-07-10 | 1966-11-08 | Hitachi Ltd | Semi-permanent memory device |
| US3187309A (en) * | 1963-08-16 | 1965-06-01 | Ibm | Computer memory |
| US3406377A (en) * | 1965-02-02 | 1968-10-15 | Bernard Edward Shlesinger Jr. | Electrical cross-bar switch having sensing means in close proximity to the cross points of the switch |
| US4297569A (en) * | 1979-06-28 | 1981-10-27 | Datakey, Inc. | Microelectronic memory key with receptacle and systems therefor |
| US4326125A (en) * | 1980-06-26 | 1982-04-20 | Datakey, Inc. | Microelectronic memory key with receptacle and systems therefor |
| US5420428A (en) * | 1993-05-05 | 1995-05-30 | Radiant Technologies, Inc. | Infra-red sensing array |
| US5410504A (en) * | 1994-05-03 | 1995-04-25 | Ward; Calvin B. | Memory based on arrays of capacitors |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2793288A (en) * | 1950-02-21 | 1957-05-21 | Charles F Pulvari | Apparatus for electrostatic recording and reproducing |
| AT181983B (de) * | 1951-11-23 | 1955-05-10 | Ibm | Anordnung zur Speicherung von Wertangaben |
| NL94498C (xx) * | 1953-11-17 | |||
| US2872664A (en) * | 1955-03-01 | 1959-02-03 | Minot Otis Northrop | Information handling |
| US2928075A (en) * | 1955-04-14 | 1960-03-08 | Bell Telephone Labor Inc | Ferroelectric storage circuits |
| NL213219A (xx) * | 1955-12-27 | |||
| US2847615A (en) * | 1956-11-28 | 1958-08-12 | Digital Tech Inc | Memory device |
| FR1286602A (fr) * | 1957-05-09 | 1962-03-09 | Dispositif de mémoire électro-statique pour calculatrices électroniques |
-
0
- BE BE587927D patent/BE587927A/xx unknown
- NL NL249237D patent/NL249237A/xx unknown
-
1959
- 1959-05-28 US US816451A patent/US3098996A/en not_active Expired - Lifetime
-
1960
- 1960-05-11 DE DEW27830A patent/DE1220480B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE587927A (xx) | |
| US3098996A (en) | 1963-07-23 |
| DE1220480B (de) | 1966-07-07 |