POWER DELIVERY INFORMATION OVER DATA INTERFACE

• US 20160187963A1
• Filed: 08/13/2013
• Published: 06/30/2016
• Est. Priority Date: 08/13/2013
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Nokia Technologies Oy (Nokia Corporation)
• Inventors: TALMOLA, Pekka Heikki, INHA, Kai Allan, LEINONEN, Pekka Eerikki
• Granted Patent: US 10,078,362 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06F 1/3296 by lowering the supply or operating voltage
• CPC Class Codes: G06F 13/385 for adaptation of a particular data processing system to different peripheral devices
• CPC Class Codes: G06F 13/4282 on a serial bus, e.g. I2C bus, SPI bus on daisy chain buses G06F13/4247
• CPC Class Codes: H04L 12/6418 Hybrid transport
• CPC Class Codes: Y02D 10/00 Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

It is inter alia disclosed to transmit a signal between a communication pin (112) of a first data interface (110) of the apparatus (103) and a second data interface (120) of the apparatus, wherein the signal at least provides information related to a power transmission between a power supply pin (111) of the first data interface (110) and a power supply pin (121) of the second data interface (120), wherein the first data interface (110) is configured for a connection with a first apparatus (101) and the second data interface (120) is configured for a connection with a second apparatus (102).

Claims

1-69. -69. (canceled)

70. A method performed by an apparatus, comprising:

transmitting a signal between a communication pin of a first data interface of the apparatus and a power supply pin of a second data interface of the apparatus, wherein the signal at least provides information related to a power transmission between a first apparatus and a second apparatus via a power supply pin of the first data interface and the power supply pin of the second data interface, wherein the first data interface is configured for a connection with the first apparatus and the second data interface is configured for a connection with the second apparatus.

71. The method according to claim 70, wherein the information related to the power transmission comprises information about at least one of a power, a voltage and a current supported by at least one of the first apparatus and the second apparatus.

72. The method according to claim 70, wherein the transmitting of the signal is part of a power delivery negotiating process.

73. The method according to claim 70, further comprising:

transmitting data between a data pin of the first data interface and a data pin of the second data interface.

74. The method according to claim 70, wherein at least one of the first data interface and the second data interface represents a Universal Serial Bus (USB) interface.

75. The method according claim 70, wherein the apparatus is a cable or an adapter comprising a first connector comprising the first data interface and a second connector comprising the second data interface.

76. The method according to claim 70, further comprising:

transmitting power between the power supply pin of the first data interface and the power supply pin of the second data interface.

77. The method according to claim 76, further comprising:

filtering power transmitted between the power supply pin of the first data interface and the power supply pin of the second data interface

78. The method according to claim 77, wherein the filtering uses a filter element comprises a low pass filter, in particular a coil.

79. The method according to claim 70, wherein the transmitting of the signal between the communication pin of the first data interface and the power supply pin of the second data interface comprises at least one of modulating and demodulating at least the signal.

80. The method according to claim 79, wherein the signal transmitted from the first communication pin to the power supply pin of the second data interface, is used in a modulation process and the signal transmitted from the power supply pin of the second data interface to the first communication pin is used in a demodulation process.

81. The method according to claim 79, wherein at least one of the modulating and demodulating comprises frequency shift keying.

82. An apparatus, comprising:

a first data interface configured for a connection with a first apparatus, the first data interface comprising at least a power supply pin and a communication pin, and

a second data interface configured for a connection with a second apparatus, the second data interface comprising at least a power supply pin,

wherein the apparatus is configured for transmitting power between the first apparatus and the second apparatus via the power supply pin of the first data interface and the power supply pin of the second data interface and

wherein the apparatus is configured for transmitting a signal between the communication pin of the first data interface and the power supply pin of the second data interface.

83. The apparatus according to claim 82, wherein the apparatus further comprises at least one of a modulator and a demodulator for using a modulation and demodulation, respectively, in the transmission of the signal between the communication pin of the first data interface and the power supply pin of the second data interface.

84. The apparatus according to claim 83, wherein the modulator is configured for using the signal transmitted from the communication pin of the first data interface to the power supply pin of the second data interface in a modulation process and the demodulator is configured for using the signal transmitted from the power supply pin of the second data interface to the communication pin of the first data interface in a demodulation process.

85. The apparatus according to claim 82, wherein at least one of the modulator and demodulator is configured for a modulation and demodulation of at least the signal, respectively, by frequency shift keying.

86. The apparatus according to claim 82, further comprising a filter element placed between the power supply pin of the first data interface and the power supply pin of the second data interface.

87. The apparatus according to claim 86, wherein the filter element comprises a low pass filter, in particular a coil.

88. The apparatus according to claim 82, wherein the first data interface and the second data interface each further comprise at least a data pin for transmitting a data signal between the data pin of the first data interface and the data pin of the second data interface.

89. The apparatus according to claim 82, wherein the apparatus is a cable or an adapter comprising a first connector comprising the first data interface and a second connector comprising the second data interface.

90. A method performed by an apparatus, comprising:

communicating a signal over a communication pin of a data interface of the apparatus, the signal at least providing information related to a power transmission over a power supply pin of the data interface of the apparatus, wherein the data interface is configured for a connection with a second apparatus, and wherein the communicating of a signal comprises using a signal sent over the communication pin in a modulation process and using a signal received over the communication pin in a demodulation process.

91. The method according to claim 90, wherein at least one of the modulation process and demodulation process comprises frequency shift keying.

92. The method according to claim 90, further comprising:

determining a type of a second apparatus being connected to the data interface of the apparatus based on the state of the communication pin of the data interface.

93. An apparatus, comprising:

a data interface configured for a connection of the apparatus with a second apparatus, the data interface comprising at least a power supply pin for transmitting power and a communication pin, and

a controller configured for communicating a signal over the communication pin at least providing information related to a power transmission over the power supply pin, wherein the apparatus further comprises at least one of a modulator and demodulator for using a modulation and demodulation, respectively, in the communication of the signal communicated over the communication pin.

94. The apparatus according to claim 93, wherein at least one of the modulator and demodulator is configured for modulation and demodulation of at least the signal, respectively, by frequency shift keying.

95. The apparatus according to claim 94, wherein the controller is configured for determining a type of the second apparatus being connected to the data interface of the apparatus based on the state of the communication pin of the data interface.

96. The apparatus according to claim 94, wherein the apparatus further comprises a filter element for filtering power transmitted over the power supply pin.