GB2249850B - Timing device - Google Patents

Timing device

Info

Publication number
GB2249850B
GB2249850B GB9123985A GB9123985A GB2249850B GB 2249850 B GB2249850 B GB 2249850B GB 9123985 A GB9123985 A GB 9123985A GB 9123985 A GB9123985 A GB 9123985A GB 2249850 B GB2249850 B GB 2249850B
Authority
GB
United Kingdom
Prior art keywords
timing device
timing
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
Application number
GB9123985A
Other versions
GB9123985D0 (en
GB2249850A (en
Inventor
Ellis Whiteside Clarke
Jacqueline Margaret Clarke
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9123985D0 publication Critical patent/GB9123985D0/en
Publication of GB2249850A publication Critical patent/GB2249850A/en
Application granted granted Critical
Publication of GB2249850B publication Critical patent/GB2249850B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
GB9123985A 1990-11-12 1991-11-12 Timing device Expired - Lifetime GB2249850B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909024505A GB9024505D0 (en) 1990-11-12 1990-11-12 Timing device

Publications (3)

Publication Number Publication Date
GB9123985D0 GB9123985D0 (en) 1992-01-02
GB2249850A GB2249850A (en) 1992-05-20
GB2249850B true GB2249850B (en) 1994-12-07

Family

ID=10685216

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909024505A Pending GB9024505D0 (en) 1990-11-12 1990-11-12 Timing device
GB9123985A Expired - Lifetime GB2249850B (en) 1990-11-12 1991-11-12 Timing device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909024505A Pending GB9024505D0 (en) 1990-11-12 1990-11-12 Timing device

Country Status (1)

Country Link
GB (2) GB9024505D0 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2052051A (en) * 1979-05-16 1981-01-21 Hughes Aircraft Co Digital watch and infrared plethysmograph
WO1983002015A1 (en) * 1981-11-25 1983-06-09 Forbath, Frank, P. Medical timing system for use during pregnancy and method of using same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2052051A (en) * 1979-05-16 1981-01-21 Hughes Aircraft Co Digital watch and infrared plethysmograph
WO1983002015A1 (en) * 1981-11-25 1983-06-09 Forbath, Frank, P. Medical timing system for use during pregnancy and method of using same

Also Published As

Publication number Publication date
GB9024505D0 (en) 1991-01-02
GB9123985D0 (en) 1992-01-02
GB2249850A (en) 1992-05-20

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