http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S63263968-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5547f741b25666fc4ae5195cf71a979b |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04M19-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H03K17-66 |
| filingDate | 1987-04-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7733311546cbb76b4a1146a45ac21d02 |
| publicationDate | 1988-10-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S63263968-A |
| titleOfInvention | Howler circuit for exchange |
| abstract | PURPOSE: To reduce the temperature fluctuation of an output voltage of a howler signal than that of a conventional circuit by bringing each transistor(TR) of a push-pull TR into the operating state in the saturated region at on-state. n CONSTITUTION: A transformer 1 provided with ternary and tetral windings N 3 , N 4 additionally is provided. With a power supply VIN applied, the power VIN is applied to a TR Q 2 through diodes D 0 , D 1 to drive TRs Q 0 , Q 1 . When a howler signal is sent from the secondary winding N 2 of the transformer 1 to a load 5 by the operation of the TRs Q 0 , Q 1 , an induced voltage proportional to the howler signal voltage is produced in the windings N 3 , N 4 and it is rectified into voltages VN 3 , VN 4 . In selecting the number of windings N 3 , N 4 properly, a voltage VN 3 or VN 4 to make the collector junction in the forward bias at the on-state of the TR Q 0 , that is, in the operation in the saturated region, is obtained. Thus, the temperature fluctuation of the output voltage of the howler signal is decreased more than that of a conventional circuit. n COPYRIGHT: (C)1988,JPO&Japio |
| priorityDate | 1987-04-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID419528763 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID2943 |
Total number of triples: 13.