GB2239375B - Error detection - Google Patents

Error detection

Info

Publication number: GB2239375B
Authority: GB; United Kingdom
Prior art keywords: error detection; error; detection
Prior art date: 1989-11-29
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 - Fee Related

Application number

GB9025985A

Other versions

GB2239375A (en

GB9025985D0 (en

Inventor

James C Baker

Stephen N Levine

Larry C Puhl

Scott N Carney

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

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.)

1989-11-29

Filing date

1990-11-29

Publication date

1994-05-04

1990-11-29 Application filed by Motorola Inc filed Critical Motorola Inc

1991-01-16 Publication of GB9025985D0 publication Critical patent/GB9025985D0/en

1991-06-26 Publication of GB2239375A publication Critical patent/GB2239375A/en

1994-05-04 Application granted granted Critical

1994-05-04 Publication of GB2239375B publication Critical patent/GB2239375B/en

2010-11-29 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/24—Testing correct operation
- H04L1/241—Testing correct operation using pseudo-errors
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/342—Muting when some special characteristic of the signal is sensed which distinguishes it from noise, e.g. using speech detector

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Detection And Prevention Of Errors In Transmission (AREA)
Mobile Radio Communication Systems (AREA)

GB9025985A 1989-11-29 1990-11-29 Error detection Expired - Fee Related GB2239375B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US44288789A	1989-11-29	1989-11-29

Publications (3)

Publication Number	Publication Date
GB9025985D0 GB9025985D0 (en)	1991-01-16
GB2239375A GB2239375A (en)	1991-06-26
GB2239375B true GB2239375B (en)	1994-05-04

Family

ID=23758540

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9025985A Expired - Fee Related GB2239375B (en)	1989-11-29	1990-11-29	Error detection

Country Status (3)

Country	Link
JP (1)	JP2627021B2 (en)
GB (1)	GB2239375B (en)
MX (1)	MX174068B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2255693A (en) *	1991-05-02	1992-11-11	Texas Instruments Ltd	A digital data decoder
US5396653A (en) *	1992-06-05	1995-03-07	Nokia Mobile Phones Ltd.	Cellular telephone signalling circuit operable with different cellular telephone systems
US5606548A (en) *	1996-04-16	1997-02-25	Nokia Mobile Phones Limited	Mobile terminal having improved digital control channel (DCCH) search procedure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2030028A (en) *	1978-08-19	1980-03-26	Tekade Felten & Guilleaume	Circuit arrangements for the recognition of errors in digital signals
GB2063627A (en) *	1979-11-12	1981-06-03	Philips Electronic Associated	Arrangement for determining a data slicing level for a bi-amplitude data pulse signal
GB1603041A (en) *	1977-05-06	1981-11-18	Poitevin J P R	Apparatus for evaluating the error rate of a digital signal
EP0255065A2 (en) *	1986-07-26	1988-02-03	Nec Corporation	Burst signal detection apparatus
EP0306757A2 (en) *	1987-09-10	1989-03-15	Nippon Motorola Ltd.	Error detection and correction circuit
GB2214760A (en) *	1988-01-29	1989-09-06	Plessey Co Plc	A method of removing unwanted digital sequences from a communication system
EP0400983A2 (en) *	1989-05-30	1990-12-05	Motorola, Inc.	Bit error rate detection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4649543A (en)	1985-08-30	1987-03-10	Motorola, Inc.	Synchronization sequence decoder for a digital radiotelephone system
JPS6331328A (en) *	1986-07-25	1988-02-10	Matsushita Electric Ind Co Ltd	Digital mobile radio equipment
JPS6369073A (en) *	1986-09-10	1988-03-29	Mitsubishi Electric Corp	Muting circuit
JPH01232575A (en) *	1988-03-10	1989-09-18	Victor Co Of Japan Ltd	Muting method

1990
- 1990-11-19 MX MX2338590A patent/MX174068B/en unknown
- 1990-11-29 GB GB9025985A patent/GB2239375B/en not_active Expired - Fee Related
- 1990-11-29 JP JP2333499A patent/JP2627021B2/en not_active Expired - Fee Related

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1603041A (en) *	1977-05-06	1981-11-18	Poitevin J P R	Apparatus for evaluating the error rate of a digital signal
GB2030028A (en) *	1978-08-19	1980-03-26	Tekade Felten & Guilleaume	Circuit arrangements for the recognition of errors in digital signals
GB2063627A (en) *	1979-11-12	1981-06-03	Philips Electronic Associated	Arrangement for determining a data slicing level for a bi-amplitude data pulse signal
EP0255065A2 (en) *	1986-07-26	1988-02-03	Nec Corporation	Burst signal detection apparatus
EP0306757A2 (en) *	1987-09-10	1989-03-15	Nippon Motorola Ltd.	Error detection and correction circuit
GB2214760A (en) *	1988-01-29	1989-09-06	Plessey Co Plc	A method of removing unwanted digital sequences from a communication system
EP0400983A2 (en) *	1989-05-30	1990-12-05	Motorola, Inc.	Bit error rate detection

Also Published As

Publication number	Publication date
GB2239375A (en)	1991-06-26
MX174068B (en)	1994-04-19
GB9025985D0 (en)	1991-01-16
JPH03182134A (en)	1991-08-08
JP2627021B2 (en)	1997-07-02

Publication	Publication Date	Title
HK135596A (en)	1996-08-02	Loss detection
GB2255882B (en)	1995-07-19	Error detection system
EP0499641A4 (en)	1992-12-09	Position detector
EP0409572A3 (en)	1991-11-27	Position detecting system
EP0326396A3 (en)	1990-06-13	Position detecting apparatus
GB9015163D0 (en)	1990-08-29	Laser-operated detector
GB2230666B (en)	1993-04-28	Displacement detector
GB8920678D0 (en)	1989-10-25	Thermal-radiation detectors
EP0409548A3 (en)	1992-12-09	Tracking error detection system
GB2229058B (en)	1993-12-08	Detection system
GB8901053D0 (en)	1989-03-15	Detection systems
EP0477377A4 (en)	1993-09-29	Error detecting system
GB2221294B (en)	1993-03-03	Detection circuitry
GB2190193B (en)	1990-03-28	Movement detection
GB2236593B (en)	1994-01-05	Detector
GB2239375B (en)	1994-05-04	Error detection
ZA89653B (en)	1989-12-27	Detection devices
EP0410802A3 (en)	1992-01-02	Position detecting method
EP0405792A3 (en)	1991-10-23	Movement detection system
GB2231457B (en)	1993-05-26	Phase-failure detectors
GB2237142B (en)	1994-07-06	Position detecting element
GB2238611B (en)	1993-10-06	Position checking
GB8814562D0 (en)	1988-07-27	Detection
ZA904808B (en)	1991-04-24	Detection means
ZA9053B (en)	1990-10-31	Level detection

Legal Events

Date	Code	Title	Description
2002-07-17	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20011129