Optical communication device

Optical communications – Diagnostic testing – Fault detection

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C398S070000, C398S071000, C398S072000, C398S079000, C398S009000, C398S010000, C398S013000, C398S016000, C398S017000, C398S020000, C398S140000, C398S141000, C398S151000, C385S024000, C385S015000, C356S073100

Reexamination Certificate

active

06975812

ABSTRACT:
The detection light reflection function is given to PLC type LD, PD or LD/PD modules having light guides and optoelectronic chips (LD, LED, PD or APD) by forming a grating on the light guides which selectively reflects only the detection light.

REFERENCES:
patent: 5257332 (1993-10-01), Pimpinella
patent: 5319482 (1994-06-01), Tsuchiya et al.
patent: 5680234 (1997-10-01), Darcie et al.
patent: 5859945 (1999-01-01), Kato et al.
patent: 5937120 (1999-08-01), Higashi
patent: 6188495 (2001-02-01), Inoue et al.
patent: 6192170 (2001-02-01), Komatsu
patent: 6269204 (2001-07-01), Ishikawa
patent: 6310702 (2001-10-01), Minami et al.
patent: 6388741 (2002-05-01), Beller
A. Morinaka et al. “Filter-type PLC-WDM Circuit with 1.65μm cut/ref. filter” Proceedings of the 1998 IEICE General Conference, Mar. 27-30, 1998, C-3-158.
R. Takahashi et al. “Packaging of Optical Semiconductor Chips for SFF Optical Transceiver” Proceedings of the 1998 IEICE General Conference, Sep. 7-10, 1999, C-3-28.
H. Takahashi et al. “A 2.5 Gb/s, 4-Channel Multiwavelength Light Source composed of UV Written Waveguide Gratings and Laser Diodes Integrated on Si” ECOC 97, Sep. 22-25, 1997, Conference Publication No. 448, pp. 355-358.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Optical communication device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical communication device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical communication device will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3511424

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.