CA977879A - Processor for controlling the operation of a telephone - Google Patents
Processor for controlling the operation of a telephoneInfo
- Publication number
- CA977879A CA977879A CA158,948A CA158948A CA977879A CA 977879 A CA977879 A CA 977879A CA 158948 A CA158948 A CA 158948A CA 977879 A CA977879 A CA 977879A
- Authority
- CA
- Canada
- Prior art keywords
- telephone
- processor
- controlling
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
- H04M3/62—Keyboard equipment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
- H04M1/2745—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips
- H04M1/2749—Automatic dialling or redialling systems, e.g. on off-hook or redial on busy
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephone Function (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL38379A IL38379A (en) | 1971-12-16 | 1971-12-16 | A processor for controlling the operation of a telephone |
Publications (1)
Publication Number | Publication Date |
---|---|
CA977879A true CA977879A (en) | 1975-11-11 |
Family
ID=11046253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA158,948A Expired CA977879A (en) | 1971-12-16 | 1972-12-15 | Processor for controlling the operation of a telephone |
Country Status (7)
Country | Link |
---|---|
US (1) | US3899645A (xx) |
JP (1) | JPS4886408A (xx) |
CA (1) | CA977879A (xx) |
DE (1) | DE2261231A1 (xx) |
GB (1) | GB1379805A (xx) |
IL (1) | IL38379A (xx) |
IT (1) | IT971865B (xx) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5081137U (xx) * | 1973-11-30 | 1975-07-12 | ||
JPS50159605A (xx) * | 1974-06-13 | 1975-12-24 | ||
JPS5119411A (ja) * | 1974-08-09 | 1976-02-16 | Nippon Telegraph & Telephone | Kinkyurenrakudenwasochi |
US3989899A (en) * | 1975-04-08 | 1976-11-02 | Daniel Norwich | Telephone scheduling system |
US4028493A (en) * | 1975-12-22 | 1977-06-07 | International Business Machines Corporation | Call progress signal detector |
US4052570A (en) * | 1975-12-22 | 1977-10-04 | Sutton Paul J | Telephone system |
DK480378A (da) * | 1978-01-04 | 1979-07-05 | Soundic Electronics Ltd | Telefon |
US4314103A (en) * | 1978-09-29 | 1982-02-02 | Plantronics, Inc. | Telephone answering system with simulated dial tone disconnect protection |
JPS5662451A (en) * | 1979-10-26 | 1981-05-28 | Sharp Corp | Automatic dial device |
US4360890A (en) * | 1979-11-14 | 1982-11-23 | Gte Products Corp. | Apparatus for signalling system |
US4283603A (en) * | 1980-02-19 | 1981-08-11 | Bell Telephone Laboratories, Incorporated | On-hook/off-hook status check circuit |
US4371751A (en) * | 1980-04-07 | 1983-02-01 | Newart Electronic Sciences, Inc. | Automatic telephonic user emergency message transmitting apparatus |
US4492820A (en) * | 1980-10-24 | 1985-01-08 | Salt Lake Communications, Inc. | Telephone alarm system |
JPS58204663A (ja) * | 1982-05-24 | 1983-11-29 | Yoshida Denki Kk | 電話番号検索装置 |
US4477698A (en) * | 1982-09-07 | 1984-10-16 | Melita Electronics Labs, Inc. | Apparatus for detecting pick-up at a remote telephone set |
US4482785A (en) * | 1982-09-23 | 1984-11-13 | Finnegan Christopher D | Refrigeration monitor system with remote signalling of alarm indications |
EP0140880A1 (en) * | 1983-04-14 | 1985-05-15 | Hugh Pushman Associates Limited | Telephone autodiallers |
US4716582A (en) * | 1983-04-27 | 1987-12-29 | Phonetics, Inc. | Digital and synthesized speech alarm system |
US4558181A (en) * | 1983-04-27 | 1985-12-10 | Phonetics, Inc. | Portable device for monitoring local area |
US4686697A (en) * | 1983-11-21 | 1987-08-11 | Lifeline Systems, Inc. | Telephone care system with telephone line-checking |
CA1245380A (en) * | 1985-02-18 | 1988-11-22 | Motohiko Hayashi | Facsimile device |
US4667065A (en) * | 1985-02-28 | 1987-05-19 | Bangerter Richard M | Apparatus and methods for electrical signal discrimination |
US4696031A (en) * | 1985-12-31 | 1987-09-22 | Wang Laboratories, Inc. | Signal detection and discrimination using waveform peak factor |
JPS63114449A (ja) * | 1986-10-31 | 1988-05-19 | Nec Corp | オ−トダイアラ付きフアクシミリ装置 |
US4928302A (en) * | 1987-11-06 | 1990-05-22 | Ricoh Company, Ltd. | Voice actuated dialing apparatus |
US4829563A (en) * | 1988-04-07 | 1989-05-09 | Teknekron Infoswitch Corporation | Method for predictive dialing |
US4825460A (en) * | 1988-06-22 | 1989-04-25 | Messagephone, Inc. | Line interface unit for caller-controlled receipt and delivery of voice messages |
US5381465A (en) * | 1988-06-22 | 1995-01-10 | Messager Partners | System for providing automatic voice messaging in a digital network environment |
US4901341A (en) * | 1988-06-22 | 1990-02-13 | Messager Partners | Method and apparatus for caller-controlled receipt and delivery of voice messages |
GR900100888A (el) * | 1990-12-31 | 1992-11-23 | Nikolaos Filippakopoulos | Αυτόματος τηλεφωνικός επιλογέας. |
US5327494A (en) * | 1993-09-14 | 1994-07-05 | Henry Gifford | Dial tone annunciating system and method |
US6292545B1 (en) | 1998-05-28 | 2001-09-18 | 3Com Corporation | Apparatus and method for detecting the source of a telephone tone signal |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3445601A (en) * | 1965-03-02 | 1969-05-20 | U S Telephonics Inc | Automatic telephone dialing and message delivery system |
US3407269A (en) * | 1965-10-22 | 1968-10-22 | Sensor Corp | System for automatically sequentially signaling plural different alarm messages to different telephone subscribers |
US3400378A (en) * | 1965-10-22 | 1968-09-03 | Motorola Inc | Data acquisition system with plural scanners at plural remote stations |
US3700813A (en) * | 1966-10-18 | 1972-10-24 | Gen Alarm Corp | Telephoning system |
US3519745A (en) * | 1966-10-18 | 1970-07-07 | Gen Alarm Corp | Selected pre-recorded telephonic message transmission system dialling plural pre-selected numbers and dialling a new number if the called number is busy or does not answer |
US3505476A (en) * | 1967-01-03 | 1970-04-07 | Pelass Systems Inc | Automatic telephone alarm apparatus |
US3761632A (en) * | 1971-12-15 | 1973-09-25 | Gen Alarm Corp | Automatic telephone alarm system responsive to answering of the called telephone |
-
1971
- 1971-12-16 IL IL38379A patent/IL38379A/xx unknown
-
1972
- 1972-12-11 US US314019A patent/US3899645A/en not_active Expired - Lifetime
- 1972-12-12 GB GB5736572A patent/GB1379805A/en not_active Expired
- 1972-12-14 IT IT32909/72A patent/IT971865B/it active
- 1972-12-14 DE DE2261231A patent/DE2261231A1/de active Pending
- 1972-12-15 CA CA158,948A patent/CA977879A/en not_active Expired
- 1972-12-16 JP JP47125825A patent/JPS4886408A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IT971865B (it) | 1974-05-10 |
IL38379A (en) | 1975-10-15 |
GB1379805A (en) | 1975-01-08 |
US3899645A (en) | 1975-08-12 |
IL38379A0 (en) | 1972-02-29 |
DE2261231A1 (de) | 1973-08-09 |
JPS4886408A (xx) | 1973-11-15 |
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