AU2531388A - Telephone accessory - Google Patents
Telephone accessoryInfo
- Publication number
- AU2531388A AU2531388A AU25313/88A AU2531388A AU2531388A AU 2531388 A AU2531388 A AU 2531388A AU 25313/88 A AU25313/88 A AU 25313/88A AU 2531388 A AU2531388 A AU 2531388A AU 2531388 A AU2531388 A AU 2531388A
- Authority
- AU
- Australia
- Prior art keywords
- telephone accessory
- accessory
- telephone
- 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.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878722520A GB8722520D0 (en) | 1987-09-24 | 1987-09-24 | Telephone accessory |
GB8722520 | 1987-09-24 | ||
GB888804268A GB8804268D0 (en) | 1988-02-24 | 1988-02-24 | Telephone accessory |
GB8804268 | 1988-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2531388A true AU2531388A (en) | 1989-04-18 |
Family
ID=26292781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU25313/88A Abandoned AU2531388A (en) | 1987-09-24 | 1988-09-23 | Telephone accessory |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0391918A1 (en) |
AU (1) | AU2531388A (en) |
WO (1) | WO1989003147A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU650859B2 (en) * | 1990-01-31 | 1994-07-07 | Nec Corporation | Ringing circuit for use in portable telephone set |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9102980L (en) * | 1991-10-14 | 1993-04-15 | Ericsson Ge Mobile Communicat | DEVICE FOR SOUND LEVEL DISCONNECTION OR OPERATING ALERTS |
CA2106342C (en) * | 1992-09-29 | 1997-01-21 | Michael J. Schellinger | Alert method for cordless telephones |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4103106A (en) * | 1976-09-13 | 1978-07-25 | Sechan Charles J | Mobile radiotelephone apparatus and method |
US4315109A (en) * | 1979-11-20 | 1982-02-09 | Sava Jacobson | Electronic ring sounder for a speaker telephone |
US4467144A (en) * | 1982-04-08 | 1984-08-21 | Amf Incorporated | Telephone annuciator extender |
SE456387B (en) * | 1983-03-31 | 1988-09-26 | Claes Lorentz Uno Persson | SET TO PAVER A SOUND CELL FOR PHONE CALLS AND DEVICE FOR EXTENDING THE SET |
US4480153A (en) * | 1983-04-04 | 1984-10-30 | Festa Lawrence M | Musical-output adapter for telephones |
US4578542A (en) * | 1984-05-07 | 1986-03-25 | Alderman Robert J | Line powered flasher circuit for ringing signal |
US4599494A (en) * | 1984-10-10 | 1986-07-08 | Motorola, Inc. | Ring sense telephone tone ringer circuit |
CN85103135A (en) * | 1985-04-29 | 1986-12-24 | 刘忠笃 | Circuit of telephone bell with electronic music |
-
1988
- 1988-09-23 AU AU25313/88A patent/AU2531388A/en not_active Abandoned
- 1988-09-23 EP EP19880908718 patent/EP0391918A1/en not_active Withdrawn
- 1988-09-23 WO PCT/GB1988/000785 patent/WO1989003147A1/en not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU650859B2 (en) * | 1990-01-31 | 1994-07-07 | Nec Corporation | Ringing circuit for use in portable telephone set |
Also Published As
Publication number | Publication date |
---|---|
EP0391918A1 (en) | 1990-10-17 |
WO1989003147A1 (en) | 1989-04-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU7193787A (en) | Cordless telephone system | |
AU584064B2 (en) | Cordless telephone system | |
AU2099088A (en) | Cordless telephone system | |
EP0330384A3 (en) | Hands-free telephone | |
AU599160B2 (en) | Cordless telephone system | |
AU3797589A (en) | Telephone | |
AU1884588A (en) | Cordless telephone system | |
AU1903888A (en) | Feature telephone integration device | |
AU6795187A (en) | Telephone set | |
AU2531388A (en) | Telephone accessory | |
AU5023793A (en) | Hands-free telephone | |
GB8704778D0 (en) | Telephone | |
AU4877990A (en) | Telephone handset | |
GB8903263D0 (en) | Telephone accessory | |
AU588965B2 (en) | Telephone hook-switch | |
AU559115B3 (en) | Telephone | |
GB8722520D0 (en) | Telephone accessory | |
GB2211376B (en) | Telephone set | |
AU2351288A (en) | Telephone pre-answer machine | |
AU103090S (en) | Telephone handset | |
AU100653S (en) | Telephone set | |
GB8810882D0 (en) | Hands-free telephone arrangement | |
GB8804268D0 (en) | Telephone accessory | |
CA57839S (en) | Telephone handset | |
CA58036S (en) | Telephone handset |