The breadth of telecommunication media available today is
great. In addition to the traditional media of voice telephony, facsimile, radio and televsion, we now
have available to us direct television broadcast from satellites, the Internet (offering data,
voice and video transmissions), co-axial cable broadband (also offering data, voice and video),
wireless technologies offering voice and data, and more technologies.
Given this fantastic degree of growth, it is unsurprising that large numbers of patents are granted
each year in the proliferating fields encompassed by the phrase "telecommunications patents".
Telecommunications patent attorneys have also proliferated.
At Barber Legal, we offer experience in telecommunications patents that spans two continents and
several years. Work we've done or are presently involved in includes telecommunications portals, gel connectors, thermoplastic connectors,
satellite broadcast, scheduling of advertising and more.
We've included as examples abstracts
taken from patents previously granted. Some of these patents were close to history, some are unknown,
a few were chosen whimsically. Note that these are not chosen for being patents
done by Barber Legal, we're not advertising here, nor promising that "we can get you a patent like this",
nor are we trying to take credit for the work of other registered patent attorneys:
we've even included the names of other firms in our excerpts, and we always urge
potential clients to call around to compare our prices and those
of other firms. What we are doing is giving you an idea of the sorts of things that have been done
in the past by inventors and patent attorneys around the world.
The first excerpt below shows that even the list of telecommunications methods discussed above is
not truly exhaustive: inventors are trying new and creative solutions every day. The second excerpt proves
that even older technologies are still subject to patentable improvements, and even
the humble MUX is still being improved from year to year. By the way, the fact that both excerpts relate
to optical communications is coincidence, the telecommunications patent attorney work done here at Barber Legal
is, as yet, entirely in the electronic arena!
The excerpts on this page come from telecommunications patents.
Reading these patents and comparing them to the ones we show as examples of
business method patents and ecommerce patents, will show discerning readers that
software patents, business method patents, ecommerce patents and even telecommunications patents
have quite a bit in common.
Abstract:
A point-to-multipoint bi-directional wide area telecommunications network
employing atmospheric optical communication. The network comprises a primary transceiver unit,
a plurality of subscriber transceiver units and an optical router. The primary transceiver
unit generates a first light beam on which it modulates first data. The primary transceiver
unit atmospherically transmits the first light beam to the optical router which demodulates
the first data, modulates the first data on a second light beam and transmits the second
light beam to the plurality of subscriber transceiver units in multiplexed manner. The
subscriber transceiver units receive the second light beam and demodulate the first data
from the second light beam. Conversely, the subscriber transceiver units atmospherically
transmit a third light beam on which they modulate second data to the optical router
which demodulates the second data, modulates the second data on a fourth light beam and
transmits the fourth light beam to the primary transceiver unit. The primary transceiver unit
atmospherically receives the fourth light beam and demodulates the respective second data
from the fourth light beam. The optical router of the network comprises a secondary
transceiver unit, a plurality of transceiver modules and an electronic router for
routing data between the secondary transceiver unit and the plurality of transceiver
modules to establish communication channels between the primary transceiver unit and
the plurality of subscriber transceiver units. The secondary transceiver unit communicates
with the primary transceiver unit and the transceiver modules communicate with the
subscriber transceiver units. The transceiver modules comprise an X-Y beam deflector
for deflecting the second and third light beams to a portion of the subscriber
transceiver units in a time-multiplexed fashion. In an alternate embodiment of the
optical router, the first light beam is redirected to the subscriber transceiver units
and the third light beam is redirected to the primary transceiver unit by a mirror and
lens set assembly rather than being demodulated and modulated in the router. Applications
such as telephony, the Internet, teleconferencing, radio broadcast, HDTV, interactive TV,
and other television forms are contemplated for employment on the network.
Inventors: Doucet; Mark A. (College Station, TX); Panak; David L. (College Station, TX)
Assignee: Dominion Communications, LLC (Bryan, TX)
Appl. No.: 625725
Filed: March 29, 1996
Primary Examiner: Negash; Knife-Michael
Attorney, Agent or Firm: Davis; E. Alan, Hood; Jeffrey C. Conley, Rose & Tayon
Abstract:
Method of optical telecommunication comprising the phases of generating at least two
optical transmission signals, at mutually different preset wavelengths separated by a preset
distance; multiplexing the said optical signals by wavelength division in a single
transmission fiber, forming a multi-wavelength optical signal comprising the said
optical transmission signals; transmitting the said multi-wavelength optical signal
through the said optical fiber to a receiving station comprising at least two receivers;
selecting at least one of the said optical transmission signals from the said
multi-wavelength optical signal; feeding the said filtered optical signal to the
respective receiver; characterized in that before the said phase of selecting at
least one of the said optical transmission signals it further comprises the phases of
eliminating from the said multi-wavelength optical signal, at least one signal with
wavelength different from the wavelength of the said at least one selected optical
transmission signal.
Inventors: Meli; Fausto (Piacenza, IT)
Assignee: Pirelli Cavi e Sistemi S.p.A. (Milan, IT)
Appl. No.: 006400
Filed: January 13, 1998
Foreign Application Priority Data
Jan 15, 1997[IT] MI97A0054
Primary Examiner: Pascal; Leslie
Assistant Examiner: Phan; Hanh
Attorney, Agent or Firm: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
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