Title:
MODULATABLE REFLECTORS AND METHODS FOR USING SAME
Document Type and Number:
WIPO Patent Application WO1999047950
Kind Code:
A3
Abstract:
A reflector having a mechanically deformable portion (12) of at least one reflective surface is disclosed. By deforming the portion of the reflective surface, discontinuity is introduced in that portion of the reflective surface. The discontinuity in the reflective surface scatters incident radiation signals (20) so as to cause attenuation in the reflective signal (22). By selectively deforming the portion of the reflective surface, the reflected signal can be modulated to encode data thereon. The mechanically deformable portion of the reflective surface preferably comprises plates integrally formed therein. In one embodiment, the reflector takes the form of a corner-cube reflector (10). The use of a reflector with a three dimensional pattern (122) on the reflective surface on the encoding data on a reflected signal, which functions much like a barcode pattern, is also disclosed. One application of the applicator is in the identification of friend or foes (IFF).
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Inventors:
ROBERSON MARK W (US)
RINNE GLENN A (US)
DEANE PHILIP A (US)
MARKUS KAREN W (US)
RINNE GLENN A (US)
DEANE PHILIP A (US)
MARKUS KAREN W (US)
Application Number:
PCT/US1999/006152
Publication Date:
March 09, 2000
Filing Date:
March 16, 1999
Export Citation:
Assignee:
MCNC (US)
ROBERSON MARK W (US)
RINNE GLENN A (US)
DEANE PHILIP A (US)
MARKUS KAREN W (US)
ROBERSON MARK W (US)
RINNE GLENN A (US)
DEANE PHILIP A (US)
MARKUS KAREN W (US)
International Classes:
G02B26/08; G01S13/02; G01S13/75; G01S13/78; G01S17/74; G02B5/122; (IPC1-7): G02B5/122; G01S13/02; G01S17/74; G02B26/08
Domestic Patent References:
| WO1995023352A1 | 1995-08-31 |
Foreign References:
| DE3230159C1 | 1983-04-07 | |||
| GB2123248A | 1984-01-25 | |||
| US5583507A | 1996-12-10 | |||
| US4762426A | 1988-08-09 | |||
| EP0807841A2 | 1997-11-19 | |||
| CA2094174A1 | 1994-10-17 | |||
| GB2307762A | 1997-06-04 |
Other References:
GUNAWAN D S ET AL: "MICROMACHINED CORNER CUBE REFLECTORS AS A COMMUNICATION LINK", SENSORS AND ACTUATORS A, vol. A47, no. 1/03, 1 March 1995 (1995-03-01), pages 580 - 583, XP000516324
MOTAMEDEI M E ET AL: "DEVELOPMENT OF MICRO-ELECTRO-MECHANICAL OPTICAL SCANNER", OPTICAL ENGINEERING, vol. 36, no. 5, 1 May 1997 (1997-05-01), pages 1346 - 1352, XP000692364
MOTAMEDEI M E ET AL: "DEVELOPMENT OF MICRO-ELECTRO-MECHANICAL OPTICAL SCANNER", OPTICAL ENGINEERING, vol. 36, no. 5, 1 May 1997 (1997-05-01), pages 1346 - 1352, XP000692364
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