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GB8809189D0 - Device - Google Patents

Device

Info

Publication number
GB8809189D0
GB8809189D0 GB888809189A GB8809189A GB8809189D0 GB 8809189 D0 GB8809189 D0 GB 8809189D0 GB 888809189 A GB888809189 A GB 888809189A GB 8809189 A GB8809189 A GB 8809189A GB 8809189 D0 GB8809189 D0 GB 8809189D0
Authority
GB
United Kingdom
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.)
Pending
Application number
GB888809189A
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.)
WISDOM P
Original Assignee
WISDOM P
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 WISDOM P filed Critical WISDOM P
Priority to GB888809189A priority Critical patent/GB8809189D0/en
Publication of GB8809189D0 publication Critical patent/GB8809189D0/en
Priority to GB8908748A priority patent/GB2218527B/en
Pending legal-status Critical Current

Links

GB888809189A 1988-04-19 1988-04-19 Device Pending GB8809189D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB888809189A GB8809189D0 (en) 1988-04-19 1988-04-19 Device
GB8908748A GB2218527B (en) 1988-04-19 1989-04-18 Method and apparatus for identifying the fundamental frequency of a tonal signal waveform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888809189A GB8809189D0 (en) 1988-04-19 1988-04-19 Device

Publications (1)

Publication Number Publication Date
GB8809189D0 true GB8809189D0 (en) 1988-05-25

Family

ID=10635424

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888809189A Pending GB8809189D0 (en) 1988-04-19 1988-04-19 Device
GB8908748A Expired - Fee Related GB2218527B (en) 1988-04-19 1989-04-18 Method and apparatus for identifying the fundamental frequency of a tonal signal waveform

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8908748A Expired - Fee Related GB2218527B (en) 1988-04-19 1989-04-18 Method and apparatus for identifying the fundamental frequency of a tonal signal waveform

Country Status (1)

Country Link
GB (2) GB8809189D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020076713A1 (en) * 2018-10-09 2020-04-16 Brian Kaczynski Fundamental frequency detection using peak detectors with frequency-controlled decay time

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803486A (en) * 1970-12-23 1974-04-09 Atomic Energy Authority Uk Frequency responsive apparatus
JPS5299808A (en) * 1976-02-16 1977-08-22 Roland Corp Fundamental wave selector circuit
GB2090456B (en) * 1980-07-15 1984-02-15 Wright Malta Corp Sound signal automatic detection and display method and system
US4429609A (en) * 1981-12-14 1984-02-07 Warrender David J Pitch analyzer
US4627323A (en) * 1984-08-13 1986-12-09 New England Digital Corporation Pitch extractor apparatus and the like

Also Published As

Publication number Publication date
GB2218527A (en) 1989-11-15
GB2218527B (en) 1993-01-13
GB8908748D0 (en) 1989-06-07

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