JPH01138129U - - Google Patents
Info
- Publication number
- JPH01138129U JPH01138129U JP1988034109U JP3410988U JPH01138129U JP H01138129 U JPH01138129 U JP H01138129U JP 1988034109 U JP1988034109 U JP 1988034109U JP 3410988 U JP3410988 U JP 3410988U JP H01138129 U JPH01138129 U JP H01138129U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply means
- backup
- input
- switching
- 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.)
- Granted
Links
- 238000005259 measurement Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/263—Arrangements for using multiple switchable power supplies, e.g. battery and AC
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Sources (AREA)
- Calculators And Similar Devices (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988034109U JPH0542505Y2 (US07655688-20100202-C00109.png) | 1988-03-14 | 1988-03-14 | |
| US07/323,383 US4999794A (en) | 1988-03-14 | 1989-03-14 | Electronic device for reducing the power consumption during the supply of back up power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988034109U JPH0542505Y2 (US07655688-20100202-C00109.png) | 1988-03-14 | 1988-03-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01138129U true JPH01138129U (US07655688-20100202-C00109.png) | 1989-09-21 |
| JPH0542505Y2 JPH0542505Y2 (US07655688-20100202-C00109.png) | 1993-10-26 |
Family
ID=12405112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988034109U Expired - Lifetime JPH0542505Y2 (US07655688-20100202-C00109.png) | 1988-03-14 | 1988-03-14 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4999794A (US07655688-20100202-C00109.png) |
| JP (1) | JPH0542505Y2 (US07655688-20100202-C00109.png) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR910006834A (ko) * | 1989-09-29 | 1991-04-30 | 아오이 죠이치 | 전원회로의 제조건에 의해 휘도를 변경시킬수 있는 디스플레이 제어장치 |
| US5247655A (en) * | 1989-11-07 | 1993-09-21 | Chips And Technologies, Inc. | Sleep mode refresh apparatus |
| US6804791B2 (en) | 1990-03-23 | 2004-10-12 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
| EP0448350B1 (en) | 1990-03-23 | 1996-12-27 | Matsushita Electric Industrial Co., Ltd. | Hand held data processing apparatus having reduced power consumption |
| US5355503A (en) * | 1990-05-31 | 1994-10-11 | National Semiconductor Corporation | Event driven scanning of data input equipment using multi-input wake-up techniques |
| US5081444A (en) * | 1991-02-07 | 1992-01-14 | Bear Automotive Service Equipment Company | Automotive vehicle test equipment with anti-tamper device |
| EP0725330A3 (en) * | 1995-01-24 | 1997-03-12 | Hewlett Packard Co | Computer keyboard with power switch control key |
| EP0821497B1 (en) * | 1996-07-25 | 2002-10-23 | Hewlett-Packard Company, A Delaware Corporation | Computer communication using fiber-optic cable |
| EP0821505A1 (en) * | 1996-07-25 | 1998-01-28 | Hewlett-Packard Company | Apparatus providing connectivity between devices attached to different interfaces of the apparatus |
| US8627116B2 (en) * | 2007-08-07 | 2014-01-07 | Maxim Integrated Products, Inc. | Power conservation in an intrusion detection system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5769588A (en) * | 1980-10-16 | 1982-04-28 | Nec Corp | Memort circuit |
| JPS6048525A (ja) * | 1983-08-26 | 1985-03-16 | Nec Corp | マイクロコンピユ−タ |
| JPS60220415A (ja) * | 1984-04-16 | 1985-11-05 | Hitachi Ltd | 記億機能付車載用機器 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4381552A (en) * | 1978-12-08 | 1983-04-26 | Motorola Inc. | Stanby mode controller utilizing microprocessor |
| JPS5595164A (en) * | 1979-01-12 | 1980-07-19 | Canon Inc | Electronic desk-top calculator on battery drive system |
| US4317181A (en) * | 1979-12-26 | 1982-02-23 | Texas Instruments Incorporated | Four mode microcomputer power save operation |
| US4317180A (en) * | 1979-12-26 | 1982-02-23 | Texas Instruments Incorporated | Clocked logic low power standby mode |
| US4780843A (en) * | 1983-11-07 | 1988-10-25 | Motorola, Inc. | Wait mode power reduction system and method for data processor |
| US4851987A (en) * | 1986-01-17 | 1989-07-25 | International Business Machines Corporation | System for reducing processor power consumption by stopping processor clock supply if a desired event does not occur |
| JPS6315346A (ja) * | 1986-07-07 | 1988-01-22 | Nec Corp | メモリプロテクト回路 |
-
1988
- 1988-03-14 JP JP1988034109U patent/JPH0542505Y2/ja not_active Expired - Lifetime
-
1989
- 1989-03-14 US US07/323,383 patent/US4999794A/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5769588A (en) * | 1980-10-16 | 1982-04-28 | Nec Corp | Memort circuit |
| JPS6048525A (ja) * | 1983-08-26 | 1985-03-16 | Nec Corp | マイクロコンピユ−タ |
| JPS60220415A (ja) * | 1984-04-16 | 1985-11-05 | Hitachi Ltd | 記億機能付車載用機器 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4999794A (en) | 1991-03-12 |
| JPH0542505Y2 (US07655688-20100202-C00109.png) | 1993-10-26 |
