(19)
(11) EP 0 248 528 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
15.03.1989 Bulletin 1989/11

(43) Date of publication A2:
09.12.1987 Bulletin 1987/50

(21) Application number: 87303858.2

(22) Date of filing: 30.04.1987
(51) International Patent Classification (IPC)4G10H 3/14, G10H 3/18
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI LU NL SE

(30) Priority: 03.05.1986 GB 8610927

(71) Applicant: Pennwalt Piezo Film Limited
Dunfermline Fife KY11 5JN (GB)

(72) Inventor:
  • Strachan, John Scott
    Edinburgh EH3 6ED (GB)

(74) Representative: Murgitroyd, Ian G. 
Murgitroyd and Company 373 Scotland Street
Glasgow G5 8QA
Glasgow G5 8QA (GB)


(56) References cited: : 
   
       


    (54) Pick-ups for string instruments


    (57) An elongate film (32) of polyvinylidene fluoride or other polymeric piezoelectric material is provided on one face with an electrode (34) extending along approximately one-half the length of the film, and on the other face with a metallised screen layer (36) extending along the whole length. The film (32) is folded about the line M-M with the screen layer (36) to the exterior and inserted in a pocket-like cover (28) for securement to the instrument, for example by adhesive tape.







    Search report