GB1276762A - Memory devices - Google Patents
Memory devicesInfo
- Publication number
- GB1276762A GB1276762A GB1017970A GB1017970A GB1276762A GB 1276762 A GB1276762 A GB 1276762A GB 1017970 A GB1017970 A GB 1017970A GB 1017970 A GB1017970 A GB 1017970A GB 1276762 A GB1276762 A GB 1276762A
- Authority
- GB
- United Kingdom
- Prior art keywords
- loops
- face
- base
- read
- interrogation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000008878 coupling Effects 0.000 abstract 4
- 238000010168 coupling process Methods 0.000 abstract 4
- 238000005859 coupling reaction Methods 0.000 abstract 4
- 239000011159 matrix material Substances 0.000 abstract 4
- 239000004020 conductor Substances 0.000 abstract 2
- 230000005672 electromagnetic field Effects 0.000 abstract 2
- 229910000859 α-Fe Inorganic materials 0.000 abstract 2
- 239000012212 insulator Substances 0.000 abstract 1
- 239000000696 magnetic material Substances 0.000 abstract 1
- 238000001465 metallisation Methods 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
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
- G11C17/02—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using magnetic or inductive elements
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Semiconductor Memories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6905735A FR2036053A5 (enExample) | 1969-03-03 | 1969-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1276762A true GB1276762A (en) | 1972-06-07 |
Family
ID=9029960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1017970A Expired GB1276762A (en) | 1969-03-03 | 1970-03-03 | Memory devices |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2009962A1 (enExample) |
| FR (1) | FR2036053A5 (enExample) |
| GB (1) | GB1276762A (enExample) |
| NL (1) | NL7002911A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0042707A1 (en) * | 1980-06-13 | 1981-12-30 | Securitas International Products Limited | Token reader |
-
1969
- 1969-03-03 FR FR6905735A patent/FR2036053A5/fr not_active Expired
-
1970
- 1970-03-02 NL NL7002911A patent/NL7002911A/xx unknown
- 1970-03-03 GB GB1017970A patent/GB1276762A/en not_active Expired
- 1970-03-03 DE DE19702009962 patent/DE2009962A1/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0042707A1 (en) * | 1980-06-13 | 1981-12-30 | Securitas International Products Limited | Token reader |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2009962A1 (de) | 1970-09-24 |
| FR2036053A5 (enExample) | 1970-12-24 |
| NL7002911A (enExample) | 1970-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |