HP-01 Patents

HP-01 Patents

In connection with the HP-01 project, lots of patent specifications were registered

HP-01 Patent Aug. 1976

26. July 1974: „Circulation shift register time-keeping circuit“

HP-01 Patent Dec. 14 1976

14. July 1975: „Circulation shift register encrementer / decrementer“

HP-01 Patent Jun. 19 1979

9. February 1976: „Interactive wristwatch calculator“

HP-01 Patent Aug. 15 1978 HP-01 Patent Aug. 15 1987 -2

19. August 1976: „Wrist wearable electronic device with an engagedly stored selected tool“
Obviously, this is about an alternative concept of housing the stylus for a future watch project

30. August 1976: „Wristwatch calculator with selectively scanned keyboard“

HP-01 Patent Aug. 22 1978
HP-01 Patent Sep. 5  1978

12. November 1976: „Wristwatch calculator“
Looks like the final HP-01...

HP-01 Patent Sep. 5  1978 -2
HP-01 Patent Sep. 5  1978  -3

12. November 1976: „Electronic wristwatch or the like“
The final case and bracelet design of the HP-01 have been applied for patent.
But the housing of the stylus in the band clasp is still missing...

HP-01 Patent Nov. 4 1980

16. May 1977: „Incrementing Signal Hold Circuit for a clock / calculator“

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