DE69521325D1 - Verfahren und vorrichtung zur kodierung und dekodierung von über telefonleitungen übertragenen daten - Google Patents
Verfahren und vorrichtung zur kodierung und dekodierung von über telefonleitungen übertragenen datenInfo
- Publication number
- DE69521325D1 DE69521325D1 DE69521325T DE69521325T DE69521325D1 DE 69521325 D1 DE69521325 D1 DE 69521325D1 DE 69521325 T DE69521325 T DE 69521325T DE 69521325 T DE69521325 T DE 69521325T DE 69521325 D1 DE69521325 D1 DE 69521325D1
- Authority
- DE
- Germany
- Prior art keywords
- dtmf
- generation
- signal
- coding
- data transmitted
- 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 - Lifetime
Links
Classifications
-
- 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
- H04M1/275—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 implemented by means of portable electronic directories
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
- H04M1/215—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads by non-intrusive coupling means, e.g. acoustic couplers
- H04M1/2155—Acoustic coupling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/066—Telephone sets adapted for data transmision
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Telephonic Communication Services (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Telephone Function (AREA)
- Dc Digital Transmission (AREA)
- Communication Control (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Facsimiles In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL11115794A IL111157A (en) | 1994-10-04 | 1994-10-04 | Method for encoding and decoding data transmitted over the phone |
PCT/US1995/012979 WO1996010880A1 (en) | 1994-10-04 | 1995-10-04 | Methods and apparatus for encoding and decoding data transmitted over telephone lines |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69521325D1 true DE69521325D1 (de) | 2001-07-19 |
Family
ID=11066601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69521325T Expired - Lifetime DE69521325D1 (de) | 1994-10-04 | 1995-10-04 | Verfahren und vorrichtung zur kodierung und dekodierung von über telefonleitungen übertragenen daten |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0786184B1 (de) |
JP (1) | JPH10507325A (de) |
KR (1) | KR970706680A (de) |
AT (1) | ATE202250T1 (de) |
DE (1) | DE69521325D1 (de) |
HK (1) | HK1001536A1 (de) |
IL (1) | IL111157A (de) |
WO (1) | WO1996010880A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5907597A (en) * | 1994-08-05 | 1999-05-25 | Smart Tone Authentication, Inc. | Method and system for the secure communication of data |
IL125221A0 (en) | 1998-07-06 | 1999-03-12 | Toy Control Ltd | Motion activation using passive sound source |
US20100030838A1 (en) * | 1998-08-27 | 2010-02-04 | Beepcard Ltd. | Method to use acoustic signals for computer communications |
IL127569A0 (en) | 1998-09-16 | 1999-10-28 | Comsense Technologies Ltd | Interactive toys |
US6607136B1 (en) | 1998-09-16 | 2003-08-19 | Beepcard Inc. | Physical presence digital authentication system |
US7334735B1 (en) | 1998-10-02 | 2008-02-26 | Beepcard Ltd. | Card for interaction with a computer |
US7260221B1 (en) | 1998-11-16 | 2007-08-21 | Beepcard Ltd. | Personal communicator authentication |
AU2441799A (en) * | 1999-02-09 | 2000-08-29 | Last Mile Solutions Holding B.V. | Telephone device suitable for data transmission by using dtmf |
US8019609B2 (en) | 1999-10-04 | 2011-09-13 | Dialware Inc. | Sonic/ultrasonic authentication method |
US7013393B1 (en) | 1999-12-21 | 2006-03-14 | Pierre Stevens | Universal intelligent card for secure access to system functions |
US9219708B2 (en) | 2001-03-22 | 2015-12-22 | DialwareInc. | Method and system for remotely authenticating identification devices |
TWI563853B (en) * | 2014-02-27 | 2016-12-21 | Beseye Cloud Security Co Ltd | Surveillance system and the operation process thereof |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4769836A (en) * | 1986-04-07 | 1988-09-06 | Casio Computer Co., Ltd. | Dialing tone generator employing low frequency oscillator |
US5208852A (en) * | 1988-09-27 | 1993-05-04 | Seiko Epson Corporation | Sound generation circuit |
US5249220A (en) * | 1991-04-18 | 1993-09-28 | Rts Electronics, Inc. | Handheld facsimile and alphanumeric message transceiver operating over telephone or wireless networks |
-
1994
- 1994-10-04 IL IL11115794A patent/IL111157A/xx not_active IP Right Cessation
-
1995
- 1995-10-04 JP JP8512154A patent/JPH10507325A/ja not_active Ceased
- 1995-10-04 EP EP95938190A patent/EP0786184B1/de not_active Expired - Lifetime
- 1995-10-04 DE DE69521325T patent/DE69521325D1/de not_active Expired - Lifetime
- 1995-10-04 KR KR1019970702253A patent/KR970706680A/ko not_active Application Discontinuation
- 1995-10-04 WO PCT/US1995/012979 patent/WO1996010880A1/en active IP Right Grant
- 1995-10-04 AT AT95938190T patent/ATE202250T1/de not_active IP Right Cessation
-
1998
- 1998-01-06 HK HK98100097A patent/HK1001536A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IL111157A (en) | 1999-05-09 |
ATE202250T1 (de) | 2001-06-15 |
JPH10507325A (ja) | 1998-07-14 |
WO1996010880A1 (en) | 1996-04-11 |
KR970706680A (ko) | 1997-11-03 |
IL111157A0 (en) | 1995-12-08 |
EP0786184A4 (de) | 1997-12-03 |
EP0786184B1 (de) | 2001-06-13 |
EP0786184A1 (de) | 1997-07-30 |
HK1001536A1 (en) | 1998-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |