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4-Traders Homepage  >  Equities  >  Tokyo  >  Denso Corp    6902   JP3551500006

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Denso : Patent Issued for Vehicular Wireless Transmission Apparatus Adjusting Output Power According to Vehicle (USPTO 9596656)

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03/23/2017 | 11:09pm CEST

By a News Reporter-Staff News Editor at Electronics Newsweekly -- DENSO CORPORATION (Kariya, Aichi-pref., JP) has been issued patent number 9596656, according to news reporting originating out of Alexandria, Virginia, by VerticalNews editors.

The patent's inventors are Suzuki, Tadao (Kariya, JP); Yukizaki, Yasumune (Okazaki, JP).

This patent was filed on May 8, 2014 and was published online on March 14, 2017.

From the background information supplied by the inventors, news correspondents obtained the following quote: "Patent Literature 1: JP 2010-258742 A

"Conventionally, an antenna and a wireless transmission portion are often connected using a coaxial cable. This connection is known to involve a loss when a signal is transmitted over the coaxial cable. In order to compensate such a loss, an input level is adjusted in Patent Literature 1.

"In addition, considering mass production, a first wireless transmission portion needs to transmit a signal with an output power identical to that of any second wireless transmission portion different from the first wireless transmission portion. However, an inter-individual difference in a frequency characteristic etc. in the wireless transmission portions leads to an inter-individual difference in an output power as well. Then, in order to eliminate such an output power difference due to the inter-individual difference, each wireless transmission portion is subjected to adjustment while a resulting adjustment value is written in a storage portion.

"When a subject wireless transmission apparatus is employed or mounted in each vehicle, an arrangement of an antenna and wireless transmission portion differs depending on each of different vehicle models of vehicles. The coaxial cable which connects the wireless transmission portion to the antenna also differs in length etc. depending on each vehicle model. This leads to a difference in signal losses produced in the coaxial cables of the different vehicle models. Further, in some cases, an antenna exhibits different gains depending on the different vehicle models. In contrast, a transmission output power of the wireless transmission apparatus is subject to a loss in a coaxial cable. Therefore, an adjustment value needs to be changed depending on each of the different vehicle models.

"However, manufacturing a plurality of different kinds of wireless transmission apparatuses corresponding to a plurality of different vehicle models may disable a cost reduction in a mass production."

Supplementing the background information on this patent, VerticalNews reporters also obtained the inventors' summary information for this patent: "It is an object of the present disclosure to provide a vehicular wireless transmission apparatus that permits an effective transmission output power emitted from an antenna to be an intended output power even if the apparatus is mounted in each of a plurality of different vehicle models of vehicles.

"To achieve the above object, according to an example of the present disclosure, a vehicular wireless transmission apparatus in a vehicle belonging to a host vehicle model is provided to cooperate with a different apparatus that is provided in the vehicle to be separated from the vehicular wireless transmission apparatus. The different apparatus is provided to contain a host vehicle model data indicating the host vehicle model of the vehicle. The vehicular wireless transmission apparatus includes the following: an antenna; a wireless transmission portion which provides modulation and output power to a signal to transmit; and a coaxial cable that is included in a conductive line that connects the wireless transmission portion to the antenna. The apparatus further includes a table storage portion, an output adjustment section, and an adjustment value determination section. The table storage portion stores an adjustment value determination table that permits determining a determined adjustment value corresponding to each of a plurality of different vehicle models, the determined adjustment value being used to an adjustment of the output power of the wireless transmission portion so that an effective transmission output power emitted from the antenna is adjusted to a predetermined value. The output adjustment section which provides the adjustment of the output power of the wireless transmission portion based on the determined adjustment value. The adjustment value determination section reads the host vehicle model data indicating the host vehicle model from the different apparatus and determines the determined adjustment value corresponding to the host vehicle model based on (i) the read host vehicle model data and (ii) the adjustment value determination table stored in the table storage portion. Furthermore, the output adjustment section provides the adjustment of the output power of the wireless transmission portion based on the determined adjustment value corresponding to the host vehicle model determined by the adjustment value determination section.

"Under the above configuration, the table storage portion stores an adjustment value determination table which can determine adjustment values depending on a plurality of different vehicle models. The adjustment value determination section reads out a host vehicle model data stored in the different apparatus that is also installed or mounted in the vehicle to be separated from the vehicular wireless transmission apparatus. Based on the read host vehicle model data and the adjustment value determination table, an adjustment value is determined which corresponds to the vehicle model of the vehicle where the vehicular wireless transmission apparatus is mounted presently. Thereby, even if the vehicular wireless transmission apparatus is mounted in each of a plurality of different vehicle models, the effective transmission output power emitted from the antenna can be regulated to be an intended output power.

"This eliminates a need of preparing different vehicular wireless transmission apparatuses that are differently adjusted according to the respective different vehicle models. Therefore, a cost reduction can be achieved rather than the case of preparing the different vehicular wireless transmission apparatuses depending on the respective different vehicle models."

For the URL and additional information on this patent, see: Suzuki, Tadao; Yukizaki, Yasumune. Vehicular Wireless Transmission Apparatus Adjusting Output Power According to Vehicle. U.S. Patent Number 9596656, filed May 8, 2014, and published online on March 14, 2017. Patent URL: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=9596656.PN.&OS=PN/9596656RS=PN/9596656

Keywords for this news article include: Electronics, Coaxial Cable, DENSO CORPORATION.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2017, NewsRx LLC

(c) 2017 NewsRx LLC, source Technology Newsletters

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Financials ( JPY)
Sales 2017 4 467 839 M
EBIT 2017 351 302 000 M
Net income 2017 236 157 M
Finance 2017 438 584 M
Yield 2017 2,39%
P/E ratio 2017 16,93
P/E ratio 2018 14,96
EV / Sales 2017 0,80x
EV / Sales 2018 0,75x
Capitalization 3 992 577 M
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Mean consensus HOLD
Number of Analysts 19
Average target price 5 431  JPY
Spread / Average Target 8,0%
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Koji Arima President & Representative Director
Nobuaki Katoh Chairman
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