Microprocessor data input switching circuit - uses interrogated switch groups connectable to multiple channel data bus
A circuit delivering input data to a microprocessor circuit has switches, esp. keyboard switches, which place switching signals onto a data bus connected to the microprocessor and having several data channels. The switches are connected to a common reference potential. It requires only a few channel...
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| Main Authors | , |
|---|---|
| Format | Patent |
| Language | English German |
| Published |
18.10.1979
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| Edition | 2 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | A circuit delivering input data to a microprocessor circuit has switches, esp. keyboard switches, which place switching signals onto a data bus connected to the microprocessor and having several data channels. The switches are connected to a common reference potential. It requires only a few channels connecting the switches to the circuit and includes a facility whereby a user connection signal is returned. The switches are arranged in groups of a number equal to the number of data channels being used. Interrogation pulses activate the switch groups. |
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| AbstractList | A circuit delivering input data to a microprocessor circuit has switches, esp. keyboard switches, which place switching signals onto a data bus connected to the microprocessor and having several data channels. The switches are connected to a common reference potential. It requires only a few channels connecting the switches to the circuit and includes a facility whereby a user connection signal is returned. The switches are arranged in groups of a number equal to the number of data channels being used. Interrogation pulses activate the switch groups. |
| Author | HAUBNER,GEORG SCHRUMPF,HANS |
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| Discipline | Medicine Chemistry Sciences |
| DocumentTitleAlternate | SCHALTUNGSANORDNUNG ZUR EINGABE VON INFORMATIONEN IN EINE MIKROPROZESSORSCHALTUNG |
| Edition | 2 |
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| Notes | Application Number: DE19782815234 |
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| PublicationCentury | 1900 |
| PublicationDate | 19791018 |
| PublicationDateYYYYMMDD | 1979-10-18 |
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| PublicationDecade | 1970 |
| PublicationYear | 1979 |
| RelatedCompanies | ROBERT BOSCH GMBH |
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| Snippet | A circuit delivering input data to a microprocessor circuit has switches, esp. keyboard switches, which place switching signals onto a data bus connected to... |
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| SubjectTerms | BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRICITY |
| Title | Microprocessor data input switching circuit - uses interrogated switch groups connectable to multiple channel data bus |
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