US PATENT SUBCLASS 359 / 275
.~.~.~.~.~ Transmission-type (e.g., windows)

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

237  DF  OPTICAL MODULATOR {3}
238  DF  .~ Light wave temporal modulation (e.g., frequency, amplitude, etc.) {3}
240  DF  .~.~ Changing bulk optical parameter {5}
245  DF  .~.~.~ Electro-optic {11}
265  DF  .~.~.~.~ Electrochromic {3}
275.~.~.~.~.~ Transmission-type (e.g., windows)

DEFINITION

Classification: 359/275

Transmission-type (e.g., windows):

(under subclass 265) Subject matter wherein the modulator utilizes a surface upon which light strikes which is coated with a material that simultaneously changes color with the applied electrical signal and transmits a significant portion of incident light.

SEE OR SEARCH THIS CLASS, SUBCLASS:

267, for reflection-type (e.g., display device).