GB1441738A - Synchronous ring counters - Google Patents
Synchronous ring countersInfo
- Publication number
- GB1441738A GB1441738A GB688675A GB688675A GB1441738A GB 1441738 A GB1441738 A GB 1441738A GB 688675 A GB688675 A GB 688675A GB 688675 A GB688675 A GB 688675A GB 1441738 A GB1441738 A GB 1441738A
- Authority
- GB
- United Kingdom
- Prior art keywords
- units
- output
- inputs
- gate
- nand
- 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
- 230000001360 synchronised effect Effects 0.000 title abstract 2
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
- H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
- H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
- H03K3/286—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable
- H03K3/289—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable of the primary-secondary type
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
- H03K23/40—Gating or clocking signals applied to all stages, i.e. synchronous counters
- H03K23/50—Gating or clocking signals applied to all stages, i.e. synchronous counters using bi-stable regenerative trigger circuits
- H03K23/54—Ring counters, i.e. feedback shift register counters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Logic Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742409392 DE2409392C3 (de) | 1974-02-27 | Ringzähler mit synchron gesteuerten Zählflipflops |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1441738A true GB1441738A (en) | 1976-07-07 |
Family
ID=5908607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB688675A Expired GB1441738A (en) | 1974-02-27 | 1975-02-18 | Synchronous ring counters |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3949311A (OSRAM) |
| AT (1) | AT341806B (OSRAM) |
| BE (1) | BE825862A (OSRAM) |
| CH (1) | CH581925A5 (OSRAM) |
| FR (1) | FR2262450B1 (OSRAM) |
| GB (1) | GB1441738A (OSRAM) |
| NL (1) | NL7501426A (OSRAM) |
| ZA (1) | ZA751224B (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4924484A (en) * | 1988-10-27 | 1990-05-08 | International Business Machines Corp. | High speed digital counter |
| CN112564693B (zh) * | 2020-12-18 | 2024-01-05 | 北京自动化控制设备研究所 | 一种自适应守时授时方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3105195A (en) * | 1960-05-23 | 1963-09-24 | Rosenberry W K | High resolution ring-type counter |
| FR2157119A5 (OSRAM) * | 1971-10-18 | 1973-06-01 | Adret Electronique | |
| US3798554A (en) * | 1971-12-29 | 1974-03-19 | Z Sadlak | Digital sequential circuit |
-
1974
- 1974-12-04 AT AT969174A patent/AT341806B/de not_active IP Right Cessation
-
1975
- 1975-01-20 US US05/542,358 patent/US3949311A/en not_active Expired - Lifetime
- 1975-01-22 FR FR7501926A patent/FR2262450B1/fr not_active Expired
- 1975-01-31 CH CH117675A patent/CH581925A5/xx not_active IP Right Cessation
- 1975-02-06 NL NL7501426A patent/NL7501426A/xx not_active Application Discontinuation
- 1975-02-18 GB GB688675A patent/GB1441738A/en not_active Expired
- 1975-02-24 BE BE153634A patent/BE825862A/xx unknown
- 1975-02-27 ZA ZA00751224A patent/ZA751224B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7501426A (nl) | 1975-08-29 |
| BE825862A (fr) | 1975-08-25 |
| ATA969174A (de) | 1977-06-15 |
| CH581925A5 (OSRAM) | 1976-11-15 |
| FR2262450A1 (OSRAM) | 1975-09-19 |
| US3949311A (en) | 1976-04-06 |
| DE2409392B2 (de) | 1977-04-28 |
| ZA751224B (en) | 1976-01-28 |
| DE2409392A1 (de) | 1975-09-04 |
| AT341806B (de) | 1978-02-27 |
| FR2262450B1 (OSRAM) | 1977-07-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |