Granted Patent B2

US 12,634,089 · App. 18/191,828 · Granted May 19, 2026

Inventors: Philippe Chazot (Saint-Jorioz, FR); Attilio Panniello (Le Mont-sur-Lausanne, CH); Frédéric Fortin (Annemasse, FR)

Assignee: Logitech Europe S.A.

H04L5/0053H04L5/0044

Abstract

Claims (62)

1 . A method for wireless communications between an input device and a host, the method comprising:

detecting, by the input device, a plurality of types of inputs, including displacement data and other input data;

when only displacement data is detected in a first period of time, generating a no-acknowledgement packet with the displacement data and an indication that no acknowledgement should be sent back;

wirelessly transmitting to the host the no-acknowledgement packet;

transmitting accumulated displacement data in subsequent periods of time when only displacement data is detected, such that an n th period of time no-acknowledgement packet includes first displacement data from the first period of time and all displacement data up to the n th period of time; and

at a threshold number of periods of time with only displacement data, transmitting an acknowledgment request packet.

2 . The method of claim 1 , further comprising:

when other input data is detected in a period of time, generating an acknowledgement data packet with the other input data; and

wirelessly transmitting to the host the acknowledgement data packet.

3 . The method of claim 2 wherein the acknowledgment data packet includes an acknowledgement request.

4 . The method of claim 2 wherein the other input data includes a button or key activation.

5 . The method of claim 1 , further comprising an acknowledgement request field in each of the no-acknowledgement packet and acknowledgement packet.

6 . The method of claim 1 , wherein the displacement data includes at least one of x-y displacement data, wheel rotation data and cursor button data.

7 . A system for wireless communications between an input device and a host, the system comprising:

an input device;

an input device transceiver mounted in the input device;

an input device processor mounted in the input device;

a displacement data input mechanism;

an other data input mechanism;

an input device memory coupled to the input device processor, the input device memory including non-transitory computer readable medium having stored thereon software instructions that, when executed by the input device processor, cause the input device processor to execute steps comprising:

detecting, by the input device, a plurality of types of inputs, including displacement data and other input data;

when only displacement data is detected in a first period of time, generating a no-acknowledgement packet with the displacement data and an indication that no acknowledgement should be sent;

wirelessly transmitting to the host the no-acknowledgement packet;

transmitting accumulated displacement data in subsequent periods of time when only displacement data is detected, such that an n th period of time no-acknowledgement packet includes first displacement data from the first period of time and all displacement data up to the n th period of time; and p 2 at a threshold number of periods of time with only displacement data, transmitting an acknowledgment request.

8 . The system of claim 7 further comprising:

a host transceiver in communication with the host;

a host transceiver processor;

a host transceiver memory coupled to the host transceiver processor, the host transceiver memory including non-transitory computer readable medium having stored thereon software instructions that, when executed by the host transceiver processor, cause the host transceiver processor to execute the steps comprising:

receiving the no-acknowledgement packet;

upon receiving the acknowledgment request at a threshold period of time, determining if displacement data for all n time periods has been received; and

requesting any missing displacement data from the input device.

9 . The system of claim 8 further comprising:

software instructions on the host transceiver memory including non-transitory computer readable medium that, when executed by the host transceiver processor, cause the host transceiver processor to execute the steps comprising:

upon receipt of accumulated displacement data, determining any displacement data not previously transmitted to the host; and

transmitting to the host any displacement data not previously transmitted to the host.

10 . The system of claim 7 wherein the displacement data includes at least one of x-y displacement data, horizontal or vertical wheel rotation data and cursor button data.

11 . The system of claim 7 wherein the displacement data includes at least one of joystick or mini-joystick data, D-pad data, accelerometer data, tilt sensor data, and steering wheel angle data.

12 . The system of claim 7 wherein the displacement data includes a field for x displacement that is larger than a field for y displacement.

13 . The system of claim 7 wherein the n th period of time is between 0.25 and 5 milliseconds.

14 . The system of claim 7 further comprising software instructions that, when executed by the input device processor, cause the input device processor to execute steps comprising:

when only displacement data is detected in a period of time, generating a reduced-size packet with the displacement data while eliminating packet fields corresponding to the other input data;

wirelessly transmitting, through the input device transceiver to the host, the reduced-size packet;

when other input data is detected in the period of time, generating an other input data packet with a packet field for the other input data; and

wirelessly transmitting, through the input device transceiver to the host, the other input data packet.

15 . The system of claim 14 further comprising:

a host transceiver in communication with the host;

a host transceiver processor;

a host transceiver memory coupled to the host transceiver processor, the host transceiver memory including non-transitory computer readable medium having stored thereon software instructions that, when executed by the host transceiver processor, cause the host transceiver processor to execute the steps comprising:

receiving the reduced-size packet;

converting the reduced-size packet into a standard packet including fields for the other input data; and

transmitting the standard packet to the host.

16 . A method for wireless communications between an input device and a host, the method comprising:

detecting, by the input device, a plurality of types of inputs, including displacement data and button data;

when only displacement data is detected in a first period of time, generating a no-acknowledgement packet with the displacement data and an indication that no acknowledgement should be sent back;

wirelessly transmitting to the host the no-acknowledgement;

transmitting accumulated displacement data in subsequent packets when only displacement data is detected, such that an n th packet no-acknowledgement packet includes first displacement data from a first packet and all displacement data up to the n th packet; and

at a threshold number of packets with only displacement data, transmitting an acknowledgment request packet.

17 . The method of claim 16 , further comprising:

when other input data is detected in a period of time, generating an acknowledgement data packet with the other input data; and

wirelessly transmitting to the host the acknowledgement data packet.

18 . The method of claim 17 wherein the acknowledgment data packet includes an acknowledgement request.

19 . The method of claim 17 wherein the other input data includes a button or key activation.

Assignments (1)

Continuity (1)

References Cited (33)