CA2118552A1 - Detection de tonalites audio discretes - Google Patents

Detection de tonalites audio discretes

Info

Publication number
CA2118552A1
CA2118552A1 CA 2118552 CA2118552A CA2118552A1 CA 2118552 A1 CA2118552 A1 CA 2118552A1 CA 2118552 CA2118552 CA 2118552 CA 2118552 A CA2118552 A CA 2118552A CA 2118552 A1 CA2118552 A1 CA 2118552A1
Authority
CA
Canada
Prior art keywords
sat
signal
ignal
audio frequency
gain
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
Application number
CA 2118552
Other languages
English (en)
Inventor
Edward M. Roney, Iv
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Edward M. Roney, Iv
Motorola, Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Edward M. Roney, Iv, Motorola, Inc. filed Critical Edward M. Roney, Iv
Publication of CA2118552A1 publication Critical patent/CA2118552A1/fr
Abandoned legal-status Critical Current

Links

Landscapes

  • Mobile Radio Communication Systems (AREA)
CA 2118552 1993-03-23 1994-03-08 Detection de tonalites audio discretes Abandoned CA2118552A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3582993A 1993-03-23 1993-03-23
US035,829 1993-03-23

Publications (1)

Publication Number Publication Date
CA2118552A1 true CA2118552A1 (fr) 1994-09-24

Family

ID=21885025

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2118552 Abandoned CA2118552A1 (fr) 1993-03-23 1994-03-08 Detection de tonalites audio discretes

Country Status (1)

Country Link
CA (1) CA2118552A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062697C (zh) * 1996-09-05 2001-02-28 英业达股份有限公司 使用数字信号处理器检测各种电话信号及进行数据通信的芯片

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062697C (zh) * 1996-09-05 2001-02-28 英业达股份有限公司 使用数字信号处理器检测各种电话信号及进行数据通信的芯片

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead